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A Quality Study of a Medical Birth Registry
Abstract
A quality control study was made of the Swedish Medical Birth Registry. This registry used one mode of data collection during 1973-1981 and another from 1982 onwards. The number of errors in the register was checked by comparing register information with a sample of the original medical records, and the variability in the use of diagnoses between hospitals was studied. Different types of errors were identified and quantified and the efficiency of the two methods of data collection evaluated.
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“We based our study on the Swedish Medical Birth Register (MBR), which contains approximately 99% of all deliveries occurring in the country [28].”
From The effect of swedish snuff (snus) on offspring birthweight: a sibling analysis (2013) · cites this paper as [28]
In the citing paper
“Our analyses are based on a nationwide birth registry covering nearly 99% of the deliveries occurring in Sweden [28].”
From The effect of swedish snuff (snus) on offspring birthweight: a sibling analysis (2013) · cites this paper as [28]
Citations
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“However, a previous analysis (12) has shown the data to be fairly reliable, and only about 1 /2% are missing.”
MethodValidation study of uterine rupture registration in the Medical Birth Registry of Norway
Al‐Zirqi, I., Stray‐Pedersen, B., Forsén, L., Daltveit, A. K., Vangen, S., & The NUR group (2013) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/aogs.12148 · Cited by 30
The incidence of first stroke in and around pregnancy: A population-based cohort study from Sweden
Ban, L., Sultan, A. A., Stephansson, O., Tata, L. J., Sprigg, N., Nelson‐Piercy, C., Bath, P. M., & Ludvigsson, J. F. (2017) · European Stroke Journal · doi:10.1177/2396987317706600 · Cited by 30
“The MBR contains information on more than 97% of deliveries occurring in Sweden with approximately 100,000 births occurring each year.(14,15) The MBR has been subjected to numerous quality checks in the past, and the birth data recorded have been validated against birth data at Statistics Sweden.”
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Hjern, A., Vinnerljung, B., & Brännström, L. (2019) · Developmental Child Welfare · doi:10.1177/2516103218815702 · Cited by 30
Epidural analgesia during labor among immigrant women in Sweden
Ekéus, C., Cnattingius, S., & Hjern, A. (2010) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.3109/00016340903508668 · Cited by 30
“Information about maternal age at childbirth, height, prepregnancy weight, family situation (cohabiting or not cohabiting with the father to-be), and smoking habits in early pregnancy was collected from the SMBR. Body mass index (BMI) was categorized according toWHOstandards into underweight (below 18.5), normal (18.5…”
BackgroundInfluentialSelf-citationThe combined influence of parental education and preterm birth on school performance
Gisselmann, M., Koupil, I., & Stavola, B. L. D. (2010) · Journal of Epidemiology & Community Health · doi:10.1136/jech.2009.105569 · Cited by 31
“believed to be good.(30) We thus believe our results can be generalised to the respective cohorts of children born in Sweden, with the possible exception of families in which both parents have immigrated as these are not included in our study.”
Prediction of adult height and risk of overweight in females born small‐for‐gestational‐age
Lundgren, E. M., Cnattingius, S., Jönsson, B., & Tuvemo, T. (2003) · Paediatric and Perinatal Epidemiology · doi:10.1046/j.1365-3016.2003.00489.x · Cited by 30
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“Whereas the former is nearly 100% complete (20), the latter has gradually expanded from the start in 1964 to cover all Sweden in 1987.”
BackgroundHomocysteine and schizophrenia: From prenatal to adult life
Brown, A. S., & Susser, E. (2005) · Progress in Neuro-Psychopharmacology and Biological Psychiatry · doi:10.1016/j.pnpbp.2005.06.028 · Cited by 30
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“The study population was defined as all individuals born in Stockholm County, Sweden between 1987 and 1991 (n = 116,087), obtained from the Medical Birth Register [37].”
MethodRodriguez‐Wallberg, K. A., Lundberg, F. E., Ekberg, S., Johansson, A. L. V., Ludvigsson, J. F., Almqvist, C., Cnattingius, S., & Iliadou, A. N. (2020) · Fertility and Sterility · doi:10.1016/j.fertnstert.2019.10.018 · Cited by 29
Self-citationByrskog, U., Small, R. E., & Schytt, E. (2020) · BMC Pregnancy and Childbirth · doi:10.1186/s12884-020-03412-x · Cited by 29
Ladfors, L. V., Muraca, G. M., Zetterqvist, J., Butwick, A. J., & Stephansson, O. (2021) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/1471-0528.16931 · Cited by 29
Ultrasound screening for fetal anomalies in Southern Sweden: a population‐based study
Nikkilä, A., Rydhstroem, H., Nikkilä, A., Rydhstroem, H., Källén, B. A. J., & Jörgensen, C. (2006) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1080/00016340600676474 · Cited by 29
“Newborns with a diagnosis of a congenital malformation were identified from the Swedish Medical Birth Registry (MBR), to which all births in Sweden are routinely reported (11).”
BackgroundSelf-citationBjörkenstam, E., Kosidou, K., & Björkenstam, C. (2016) · International Journal of Epidemiology · doi:10.1093/ije/dyw012 · Cited by 29
Yılmaz, Z., Javaras, K. N., Baker, J. H., Thornton, L. M., Lichtenstein, P., Bulik, C. M., & Larsson, H. (2017) · Journal of Adolescent Health · doi:10.1016/j.jadohealth.2017.04.001 · Cited by 30
Bogdanović, G., Jernberg, Å. G., Priftakis, P., Grillner, L., & Gustafsson, B. M. (2004) · British Journal of Cancer · doi:10.1038/sj.bjc.6602099 · Cited by 29
Persson, M., Pasupathy, D., Hanson, U., & Norman, M. (2012) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/j.1471-0528.2012.03277.x · Cited by 28
Maternity care options influence readmission of newborns
Ellberg, L., Högberg, U., Lundman, B. M., Källén, K., Håkansson, S., & Lindh, V. (2008) · Acta Paediatrica · doi:10.1111/j.1651-2227.2008.00714.x · Cited by 28
“Because there is little information about estimating length of stay in hours and there were difficulties minimizing the likelihood of misclassifications or missing diagnoses (14), caution should be taken when interpreting the results.”
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Prenatal smoking exposure and offspring stress coping in late adolescence: no causal link
Kuja‐Halkola, R., D'Onofrio, B. M., Iliadou, A. N., Långström, N., & Lichtenstein, P. (2010) · International Journal of Epidemiology · doi:10.1093/ije/dyq133 · Cited by 28
Lecomte, E., Herbeth, B., Nicaud, V., Rakotovao, R., Artur, Y., & Tiret, L. (1997) · Genetic Epidemiology · doi:10.1002/(sici)1098-2272(1997)14:1 · Cited by 40
Evidence-based changes in term breech delivery practice in Sweden
Alexandersson, O., Bixo, M., & Högberg, U. (2005) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1080/j.0001-6349.2005.00534.x · Cited by 28
Outcome of Reproduction in Women Irradiated for Skin Hemangioma in Infancy
Källén, B. A. J., Karlsson, P., Lundell, M., Wallgren, A., Holm, L., & Kallen, B. (1998) · Radiation Research · doi:10.2307/3579931 · Cited by 28
Self-citationUse of folic acid and delivery outcome: a prospective registry study
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Self-citationApgar score and perinatal death after one previous caesarean delivery
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Juárez, S., & Hjern, A. (2016) · Social Science & Medicine · doi:10.1016/j.socscimed.2016.12.045 · Cited by 27
Törn, A. E., Hesselman, S., Johansen, K., Ågren, J., Wikström, A., & Jonsson, M. (2023) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/1471-0528.17533 · Cited by 27
Sandström, A., Cnattingius, S., Wikström, A., & Stephansson, O. (2012) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/j.1471-0528.2012.03502.x · Cited by 29
Self-citationNo increased risk of relapse of breast cancer for women who give birth after assisted conception
Rosenberg, E., Fredriksson, A., Einbeigi, Z., Bergh, C., & Strandell, A. (2019) · Human Reproduction Open · doi:10.1093/hropen/hoz039 · Cited by 27
Algovik, M., Nilsson, E. M. E., Cnattingius, S., Lichtenstein, P., Nordenskjöld, A., & Westgren, M. (2004) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/j.0001-6349.2004.00544.x · Cited by 27
“The accuracy of the Swedish Birth Registry has previously been investigated and validated (13).”
BackgroundMethodSelf-citationIsa, A., Priftakis, P., Broliden, K., & Gustafsson, B. M. (2004) · Pediatric Blood & Cancer · doi:10.1002/pbc.20001 · Cited by 27
“The Gutherie cards were collected by using data from the Swedish medical Birth Register, which is a standardized set of medical records introduced in Sweden in 1973 [23].”
MethodCrump, C., Sundquist, J., & Sundquist, K. (2023) · American Journal of Obstetrics and Gynecology · doi:10.1016/j.ajog.2023.10.008 · Cited by 26
Association Between Preterm Birth and Lower Adult Height in Women
Derraik, J. G. B., Lundgren, M., Cutfield, W. S., & Ahlsson, F. (2016) · American Journal of Epidemiology · doi:10.1093/aje/kww116 · Cited by 26
“The Swedish Birth Register contains data on more than 99% of births in Sweden, and for the study period, it had a low error rate for the main parameters of relevance, such as birthweight, date of last menstrual period, birth order, and classification as singleton or multiple birth (13).”
BackgroundPreimplantation genetic testing and child health: a national register-based study
Ernstad, E. G., Hanson, C., Wånggren, K., Thurin‐Kjellberg, A., Söderberg, C. H., Lundberg, E. S., Petzold, M., Wennerholm, U., & Bergh, C. (2023) · Human Reproduction · doi:10.1093/humrep/dead021 · Cited by 26
Large fetal size in early pregnancy associated with macrosomia
Thorsell, M., Kaijser, M., Almström, H., & Andolf, E. G. (2009) · Ultrasound in Obstetrics and Gynecology · doi:10.1002/uog.7529 · Cited by 26
Hyperemesis gravidarum in the Medical Birth Registry of Norway – a validity study
Vikanes, Å. V., Magnus, P. M., Vangen, S., Lomsdal, S., & Grjibovski, A. M. (2012) · BMC Pregnancy and Childbirth · doi:10.1186/1471-2393-12-115 · Cited by 26
“Even though diagnosing and treating HG in Norway is carried out in accordance with national guidelines worked out by the Norwegian Society for Gynecology and Obstetrics, there is always a chance for misdiagnosing due to inexact diagnostic criteria in clinical practice [26].”
BackgroundTjernberg, A. R., & Ludvigsson, J. F. (2014) · Digestive Diseases and Sciences · doi:10.1007/s10620-014-3046-1 · Cited by 26
Pregnancy with stillbirth of both twins
Rydhstroem, H. (1996) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/j.1471-0528.1996.tb09511.x · Cited by 26
Eclampsia at a tertiary hospital 1973-99
Rugarn, O., Moen, S. C., & Berg, G. E. (2004) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/j.0001-6349.2004.0173.x · Cited by 26
“In a quality study of the SNBR (11), approximately 0.”
BackgroundHesselman, S., Högberg, U., Selling, K. E., Råssjö, E.-B., & Jonsson, M. (2014) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/1471-0528.13015 · Cited by 25
Childhood malignancy and maternal diabetes or other auto-immune disease during pregnancy
Westbom, L., Åberg, A., & Källén, B. A. J. (2002) · British Journal of Cancer · doi:10.1038/sj.bjc.6600192 · Cited by 24
“The former contains medical information on practically all births in Sweden (1 – 2% are missing) and is based on copies of medical records from the antenatal care clinics, delivery units, and the paediatric examinations of the newborns (Cnattingius et al, 1990).”
BackgroundSelf-citationPerinatal risk factors for childhood testicular germ-cell cancer: A Nordic population-based study
Stephansson, O., Wahnström, C., Pettersson, A., Sørensen, H. T., Tretli, S., Gissler, M., Troisi, R. J., Akre, O., & Grotmol, T. (2011) · Cancer Epidemiology · doi:10.1016/j.canep.2011.07.003 · Cited by 25
“The Swedish Medical Birth Registry was established in 1973 and contains data for 98% of all pregnancies [15].”
MethodZhang, X., Joseph, K. S., Cnattingius, S., & Kramer, M. S. (2012) · BMC Pregnancy and Childbirth · doi:10.1186/1471-2393-12-119 · Cited by 25
“In Sweden, all women since 1990 are offered an ultrasonic scan performed no later than 18 completed weeks of gestation, and 95% of the women accept this offer [4,29].”
BackgroundMethodInfluentialSelf-citationPoignant, M., Hjelmstedt, A., & Ekéus, C. (2012) · Sexual & Reproductive Healthcare · doi:10.1016/j.srhc.2012.10.004 · Cited by 25
“Address: Department of Wo Division of Reproductive Health, Karolinska Institute Stockholm, Sweden.”
MethodInfluentialFamilial occurrence of dystocia
Berg-Lekås, M.-L., Högberg, U., & Winkvist, A. (1998) · American Journal of Obstetrics and Gynecology · doi:10.1016/s0002-9378(98)70260-1 · Cited by 25
Fertility and perinatal health among Finnish immigrants in sweden
Gissler, M., Pakkanen, M., & Olausson, P. O. (2003) · Social Science & Medicine · doi:10.1016/s0277-9536(02)00402-1 · Cited by 25
Reason for the increasing use of vacuum extraction in Sweden: a population‐based study
Elvander, C., Ekéus, C., Gemzell‐Danielsson, K., & Cnattingius, S. (2013) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/aogs.12215 · Cited by 24
“The study was based on data from the Swedish Medical Birth Register, which includes more than 98% of all births in Sweden (8).”
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“Since 1973, information about antenatal, obstetrical, and neonatal care is recorded in the Swedish Medical Birth Register: approximately 98% of the births that have occurred in Sweden are included in this register [22].”
BackgroundDeleskog, A., den Hoed, M., Tettamanti, G., Carlsson, S., Ljung, R., Feychting, M., & Brooke, H. L. (2017) · Clinical Epidemiology · doi:10.2147/clep.s147188 · Cited by 26
“This register contains information on birth and perinatal factors for 98% of births in Sweden since 1973.(14) Children were followed from birth and censored at death, emigration, first primary cancer diagnosis, their 15th birthday, or end of follow-up (December 31, 2015).”
Geographical differences in preterm delivery rates in Sweden: A population‐based cohort study
Murray, S. R., Juodakis, J., Bačelis, J., Sand, A., Norman, J. E., Sengpiel, V., & Jacobsson, B. (2018) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/aogs.13455 · Cited by 24
“A quality analysis of the register has been previously described and it is considered to be of high quality(16).”
Rodríguez‐López, M., Leckie, G., Kaufman, J. S., & Merlo, J. (2022) · Paediatric and Perinatal Epidemiology · doi:10.1111/ppe.12932 · Cited by 24
Heritability of Gestational Weight Gain – A Swedish Register-Based Twin Study
Andersson, E. S., Silventoinen, K., Tynelius, P., Nohr, E. A., Sørensen, T. I. A., & Rasmussen, F. E. (2015) · Twin Research and Human Genetics · doi:10.1017/thg.2015.38 · Cited by 26
“terms of its accuracy and completeness (Cnattingius et al., 1990).”
Maternal hormones during early pregnancy: a cross-sectional study
Chen, T., Lundin, E., Grankvist, K., Zeleniuch‐Jacquotte, A., Wulff, M., Afanasyeva, Y., Schöck, H., Johansson, R., Lenner, P., Hallmans, G., et al. (2010) · Cancer Causes & Control · doi:10.1007/s10552-009-9500-2 · Cited by 24
“The Swedish Birth Registry is based on data from standardized medical records used in all Swedish maternal care and delivery units since 1973, and more than 99% of all births in Sweden are registered [17].”
MethodDerraik, J. G. B., Ahlsson, F., Lundgren, M., Jönsson, B., & Cutfield, W. S. (2015) · Journal of Epidemiology & Community Health · doi:10.1136/jech-2014-205368 · Cited by 24
No Obvious Spatial Clustering of Twin Births in Sweden between 1973 and 1990
Rydhstroem, H. (1998) · Environmental Research · doi:10.1006/enrs.1997.3785 · Cited by 24
Is Phototherapy in Neonates a Risk Factor for Malignant Melanoma Development?
Berg, P. (1997) · Archives of Pediatrics and Adolescent Medicine · doi:10.1001/archpedi.1997.02170490011002 · Cited by 24
The need for epidural analgesia is related to birthweight – a population‐based register study
Ekéus, C., Hjern, A., & Hjelmstedt, A. (2009) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1080/00016340902763236 · Cited by 24
“The SMBR covers 99% of all births in Sweden.”
BackgroundInfluentialViktorin, A., Levine, S. Z., Altemus, M., Reichenberg, A., & Sandin, S. (2018) · BMJ · doi:10.1136/bmj.k2233 · Cited by 23
Mårild, K., Söderling, J. K., Stephansson, O., Axelrad, J. E., Halfvarson, J., Bröms, G., Marsal, J., Olén, O., & Ludvigsson, J. F. (2022) · EClinicalMedicine · doi:10.1016/j.eclinm.2022.101722 · Cited by 23
Wei, Y., Liu, S., Andersson, T., Feychting, M., Kuja‐Halkola, R., & Carlsson, S. (2024) · The Lancet Diabetes & Endocrinology · doi:10.1016/s2213-8587(24)00068-8 · Cited by 28
Stålberg, K., Haglund, B., Axelssön, O., Cnattingius, S., Pfeifer, S., & Kieler, H. (2007) · British Journal of Cancer · doi:10.1038/sj.bjc.6604046 · Cited by 23
“The Medical Birth Register contains prospectively collected information on more than 99% of all births in Sweden since 1973 (Cnattingius et al, 1990).”
BackgroundMethodInfluentialSelf-citationOddsberg, J., Jia, C., Nilsson, E. M. E., Ye, W., & Lagergren, J. (2008) · Journal of Pediatric Surgery · doi:10.1016/j.jpedsurg.2007.11.021 · Cited by 23
Long-term Impact of Poor Birth Condition on Social and Economic Outcomes in Early Adulthood
Odd, D., Gunnell, D., Lewis, G., & Rasmussen, F. E. (2011) · PEDIATRICS · doi:10.1542/peds.2010-3604 · Cited by 23
Maternal risk factors and perinatal characteristics of anorectal malformations
Svenningsson, A., Gunnarsdóttir, A., & Wester, T. (2018) · Journal of Pediatric Surgery · doi:10.1016/j.jpedsurg.2018.04.021 · Cited by 23
Evidence of space–time clustering of childhood acute lymphoblastic leukaemia in Sweden
Gustafsson, B. M., & Carstensen, J. M. (1999) · British Journal of Cancer · doi:10.1038/sj.bjc.6690103 · Cited by 23
The effect of swedish snuff (snus) on offspring birthweight: a sibling analysis
Juárez, S. P., & Merlo, J. (2013) · PLoS ONE · doi:10.1371/journal.pone.0065611 · Cited by 22
Kullinger, M., Wesström, J., Kieler, H., & Skalkidou, A. (2016) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/aogs.13034 · Cited by 22
Darelius, A., Kristjánsdóttir, B., Dahm‐Kähler, P., & Strandell, A. (2021) · International Journal of Cancer · doi:10.1002/ijc.33714 · Cited by 22
“It covers validated information about nearly all pregnancies and deliveries since 1973.(14) Infertility data has been registered since 1982.”
BackgroundParental smoking and risk of coeliac disease in offspring
Ludvigsson, J. F., & Ludvigsson, J. (2005) · Scandinavian Journal of Gastroenterology · doi:10.1080/00365520510011515 · Cited by 22
“In Sweden, more than 99% of all liveborns and stillborns are registered in the medical birth register [25].”
BackgroundNeonatal outcomes in pregnancies resulting from oocyte donation: a cohort study in Sweden
Elenis, E., Sydsjö, G., Skalkidou, A., Lampic, C., & Svanberg, A. S. (2016) · BMC Pediatrics · doi:10.1186/s12887-016-0708-5 · Cited by 22
“Finally, although outcome variables in the Swedish national health registers are regarded as highly valid [21], the lack of more detailed information from participants’ hospital medical records remains a limitation.”
BackgroundMethodLibby, G., Smith, A., McEwan, N. F., CHIEN, P. F. W., Greene, S. A., Forsyth, J. S., Crombie, I. K., MacDonald, T. M., & Morris, A. D. (2004) · Paediatric and Perinatal Epidemiology · doi:10.1111/j.1365-3016.2004.00575.x · Cited by 22
Recurrence of placental dysfunction disorders across generations
Wikström, A., Svensson, T., Kieler, H., & Cnattingius, S. (2011) · American Journal of Obstetrics and Gynecology · doi:10.1016/j.ajog.2011.05.009 · Cited by 22
Self-citationRydhstroem, H. (1995) · American Journal of Obstetrics and Gynecology · doi:10.1016/0002-9378(95)90323-2 · Cited by 22
Källén, B. A. J., Finnström, O., Nygren, K. G., & Olausson, P. O. (2005) · BMJ · doi:10.1136/bmj.38443.595046.e0 · Cited by 22
Self-citationType 1 neurofibromatosis: A descriptive analysis of the disorder in 1,728 patients
Friedman, J. M., & Birch, P. H. (1997) · American Journal of Medical Genetics · doi:10.1002/(sici)1096-8628(19970516)70:2 · Cited by 430
Cigarette smoking and the male–female sex ratio
Mills, J. L., England, L. J., Granath, F. N., & Cnattingius, S. (2003) · Fertility and Sterility · doi:10.1016/s0015-0282(03)00156-0 · Cited by 22
“Data are collected on all births in Sweden as part of the nationwide Swedish Medical Birth Registry (12).”
Self-citationIncidence and risk factors of fetal death in Norway: a case-control study
HELGADOTTIR, L. B., SKJELDESTAD, F. E., JACOBSEN, A. F., SANDSET, P. M., & JACOBSEN, E. (2011) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/j.1600-0412.2011.01079.x · Cited by 21
“Conditions such as HT and DM are often underreported in registries (26,27).”
BackgroundKöcher, L., Rossides, M., Remaeus, K., Grünewald, J., Eklúnd, A., Kullberg, S., & Arkema, E. V. (2020) · Respiratory Research · doi:10.1186/s12931-020-01493-y · Cited by 21
Farooqi, A., Håkansson, S., Serenius, F., Källén, K., Bjorklund, L. J., Normann, E., Domellöf, M., Ådén, U., Abrahamsson, T., Elfvin, A., et al. (2023) · Archives of Disease in Childhood Fetal & Neonatal · doi:10.1136/archdischild-2022-325164 · Cited by 21
Fazel, S., Bakiyeva, L., Cnattingius, S., Grann, M., Hultman, C. M., Lichtenstein, P., & Geddes, J. R. (2012) · Journal of Personality Disorders · doi:10.1521/pedi.2012.26.5.737 · Cited by 21
Self-citationDifferences and similarities between bronchopulmonary dysplasia and asthma in schoolchildren
Nordlund, B., James, A. J., Ebersjö, C., Hedlin, G., & Berggren-Broström, E. (2017) · Pediatric Pulmonology · doi:10.1002/ppul.23741 · Cited by 21
“Information concerning gestational age, birth weight, assisted ventilation, and oxygen treatment in the asthma group, as well as reference values of Swedish infant growth charts were taken from the Swedish Medical birth register.(29) Neonatal data in the BPD group was collected from hospital records.”
MethodSköld, C., Bjørge, T., Ekbom, A., Engeland, A., Gissler, M., Grotmol, T., Madanat‐Harjuoja, L. M., Ording, A. G., Stephansson, O., Trabert, B. L., et al. (2018) · International Journal of Cancer · doi:10.1002/ijc.31581 · Cited by 21
Liljeström, L., Wikström, A.-K., & Jonsson, M. (2018) · Acta Obstetricia Et Gynecologica Scandinavica · doi:10.1111/aogs.13423 · Cited by 21
Does Prenatal Sonography Affect Intellectual Performance?
Kieler, H., Haglund, B., Cnattingius, S., Palmgren, J., & Axelssön, O. (2005) · Epidemiology · doi:10.1097/01.ede.0000158744.50663.70 · Cited by 21
“We included males born at hospitals with reliable information on ultrasound scanning during the 1970s12,16 and who had grown up with at least 1 parent born in Sweden.”
MethodInfluentialSelf-citationPregnancy weight gain by gestational age and stillbirth: a population‐based cohort study
Johansson, K., Hutcheon, J., Bodnar, L., Cnattingius, S., & Stephansson, O. (2018) · BJOG: An International Journal of Obstetrics & Gynaecology · doi:10.1111/1471-0528.15034 · Cited by 28
Self-citationChildhood appendectomy and adult mental disorders: A population‐based cohort study
Ekström, L. D., Ekström, H., Dal, H., Kosidou, K., & Gustafsson, U. O. (2020) · Depression and Anxiety · doi:10.1002/da.23045 · Cited by 20
Antibiotic Use in Late Preterm and Full-Term Newborns
Gyllensvärd, J., Studahl, M., Gustavsson, L., Hentz, E., Åkesson, K., Li, H., Norman, M., Elfvin, A., SWENAB Study Group, & Håkansson, S. (2024) · JAMA Network Open · doi:10.1001/jamanetworkopen.2024.3362 · Cited by 20
Yang, Q., Bränn, E., Johnson, E., Sjölander, A., Fang, F., Öberg, A. S., Valdimarsdóttir, U. A., & Lu, D. (2024) · PLoS Medicine · doi:10.1371/journal.pmed.1004363 · Cited by 20
Perinatal characteristics and breast cancer risk in daughters: a Scandinavian population-based study
Troisi, R. J., Grotmol, T., Jacobsen, J. B., Tretli, S., Sørensen, H. T., Gissler, M., Kaaja, R., Potischman, N. A., Ekbom, A., Hoover, R. N., et al. (2012) · Journal of Developmental Origins of Health and Disease · doi:10.1017/s2040174412000645 · Cited by 20
Genetic evidence of multiple loci in dystocia - difficult labour
Algovik, M., Kivinen, K., Peterson, H. V., Westgren, M., & Kere, J. (2010) · BMC Medical Genetics · doi:10.1186/1471-2350-11-105 · Cited by 20
“We used the Swedish Medical Birth Registry [17] that covers almost all births in Sweden to identify women who had given their first birth with caesarean section between 1982 and 1997 at a gestational length of more than 286 days.”
MethodIs the Association Between Pregnancy Weight Gain and Fetal Size Causal?
Hutcheon, J. A., Stephansson, O., Cnattingius, S., Bodnar, L. M., & Johansson, K. (2018) · Epidemiology · doi:10.1097/ede.0000000000000959 · Cited by 21
Self-citationAnxiety in women - a Swedish national three-generational cohort study
Sydsjö, G., Agnafors, S., Bladh, M. K., & Josefsson, A. (2018) · BMC Psychiatry · doi:10.1186/s12888-018-1712-0 · Cited by 20
Ericson, A., Eriksson, M. K., Källén, B. A. J., & Zetterström, R. H. (1993) · Scandinavian Journal of Social Medicine · doi:10.1177/140349489302100203 · Cited by 20
Self-citationAdverse pregnancy outcomes and long-term risk of stroke: a Swedish nationwide co-sibling study
Crump, C., Sundquist, J., & Sundquist, K. (2025) · European Heart Journal · doi:10.1093/eurheartj/ehaf366 · Cited by 20
High Birth Weight Is a Risk Factor of Dental Caries Increment during Adolescence in Sweden
Julihn, A., Molund, U., Drevsäter, E., & Modéer, T. (2014) · Dentistry Journal · doi:10.3390/dj2040118 · Cited by 19
“The register’s quality has been evaluated three times: in 1976, 1988, and in 2001 [39,40].”
BackgroundLee, B. K., Ploner, A., Zhang, Z., Gryfelt, G., Wikman, A. T., & Reilly, M. (2011) · PLoS ONE · doi:10.1371/journal.pone.0027619 · Cited by 19
“The Swedish Medical Birth Register includes 98–99% of all births in Sweden and the quality of the data is high [9].”
BackgroundBody Mass Index, Overweight, and Obesity in Swedish Women Born Post‐term
Derraik, J. G. B., Lundgren, M., Cutfield, W. S., & Ahlsson, F. (2016) · Paediatric and Perinatal Epidemiology · doi:10.1111/ppe.12292 · Cited by 18
Metadata
- Authors
- Cnattingius, S., Ericson, A., Gunnarskog, J., & Källén, B.
- Affiliations
- National Board of Health and Welfare (SE)
- Lund University (SE)
- Venue
- Scandinavian Journal of Social Medicine
- Publisher
- SAGE Publications
- Published
- 1990-06
- Volume
- 18
- Issue
- 2
- Pages
- 143-148
- ISSN
- 0300-8037 (ISSN-L)
- OpenAlex
- W2035263233
- Cited by
- 972
- References
- 14
- Citations by year
- 2026: 6 · 2025: 10 · 2024: 27 · 2023: 27 · 2022: 26 · 2021: 32 · 2020: 46 · 2019: 31 · 2018: 26 · 2017: 34 · 2016: 36 · 2015: 39 · 2014: 38 · 2013: 45 · 2012: 44
- FWCI
- 31.65
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Scandinavian Journal of Social Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Health Professions › Health Information Management › Medical Coding and Health Information
- Social Sciences › Sociology and Political Science › Survey Methodology and Nonresponse
- Physical Sciences › Computer Science › Information Systems › Data Quality and Management
- Keywords
- medical birth registry, data quality, data errors, medical records, hospital diagnoses, interhospital variation, data collection methods, quality control
- MeSH terms
- Birth Certificates, Diagnosis, Humans, Infant, Newborn, Medical Records, Quality Control, Registries, Sweden
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