Sparse data bias: a problem hiding in plain sight

Cited by (893)

Items 601–700 of 893

1. Receipt of Electroconvulsive Therapy and Subsequent Development of Amyotrophic Lateral Sclerosis: A Cohort Study
   Gábor Mezei, Edmund Lau, Nelson D. Pace · 2022 · Bioelectromagnetics
2. Using expert opinion to quantify unmeasured confounding bias parameters
   Soodabeh Navadeh, Ali Mirzazadeh, Willi McFarland, Sarah E. Woolf‐King, Mohammad Alì Mansournia · 2016 · Canadian Journal of Public Health
3. Frequency and Predicting Factors on Chronic Expanding Intracerebral Hematoma in Spontaneous Intracerebral Hemorrhage: Methodological Issues
   Saeid Safiri, Erfan Ayubi · 2017 · Journal of Stroke and Cerebrovascular Diseases
4. Blood pressure and all‐cause mortality by level of cognitive function in the elderly: Results from a population‐based study in rural Greece: Methodological issues
   Saeid Safiri, Erfan Ayubi · 2017 · Journal of Clinical Hypertension
5. Letter: complications of percutaneous liver biopsy with Klatskin needles—methodological issues
   Erfan Ayubi, Mark J. M. Sullman, Saeid Safiri · 2017 · Alimentary Pharmacology & Therapeutics
6. Letter: functional dyspepsia is associated with duodenal eosinophilia in an Australian paediatric cohort—methodological issues to avoid misinterpretation
   Saeid Safiri, Erfan Ayubi · 2017 · Alimentary Pharmacology & Therapeutics
7. Efficacy and Safety of Mechanical Thrombectomy in Older Adults with Acute Ischemic Stroke: Methodological Concerns
   Saeid Safiri, Mark J. M. Sullman, Erfan Ayubi · 2017 · Journal of the American Geriatrics Society
8. Data Sparsity in Study on Human Leukocyte Antigen Class I Genes Associated With Stevens-Johnson Syndrome and Severe Ocular Complications
   Erfan Ayubi, Saeid Safiri · 2017 · JAMA Ophthalmology
9. A predictive model of inflammatory markers and patient-reported symptoms for cachexia in newly diagnosed pancreatic cancer patients: methodological issues to avoid misinterpretation
   Erfan Ayubi, Saeid Safiri · 2017 · Supportive Care in Cancer
10. A Novel Scoring System for Diagnosing Acute Mesenteric Ischemia in the Emergency Ward: Methodological Issues
    Saeid Safiri, Erfan Ayubi · 2017 · World Journal of Surgery
11. Comments on mortality and cardiorespiratory complications in trochanteric femoral fractures: a ten year retrospective analysis
    Erfan Ayubi, Saeid Safiri · 2017 · International Orthopaedics
12. Risk factors for mortality in patients with anti-NMDA receptor encephalitis; Comment on data sparsity
    Erfan Ayubi, Saeid Safiri · 2017 · Acta Neurologica Scandinavica
13. Letter: Incidence and Predictive Factors of Sepsis Following Adult Spinal Deformity Surgery
    Saeid Safiri · 2018 · Neurosurgery
14. Response: The risk of Stevens‐Johnson syndrome and toxic epidermal necrolysis in new users of antiepileptic drugs: Comment on data sparsity
    Noel Frey, Michael Bodmer, Andreas J. Bircher · 2018 · Epilepsia
15. Clinical outcome of endoscopic mucosal resection of sporadic, nonampullary duodenal adenoma
    Saeid Safiri · 2018 · Gastrointestinal Endoscopy
16. Methods of competing risks flexible parametric modeling for estimation of the risk of the first disease among HIV infected men
    Sahar Nouri, Mahmood Mahmoudi, Kazem Mohammad, Mohammad Alì Mansournia, Mehdi Yaseri, Noori Akhtar‐Danesh · 2020 · BMC Medical Research Methodology
17. Predictive Modeling for Telemedicine Service Demand
    Agni Kumar, Nancy Hung, Yuhan Wu, Robyn Baek, Amar Deep Gupta · 2020 · Telehealth and Medicine Today
18. Review of Cohort Studies: A Companion Article to Malmqvist et al “Progression Over 5 Years of Prelaminar Hyperreflective Lines to Optic Disc Drusen in the Copenhagen Child Cohort 2000 Eye Study”
    Victoria L. Tseng, Melinda Y. Chang · 2020 · Journal of Neuro-Ophthalmology
19. How Newspapers Portrayed COVID-19
    Redwan Ahmed Rizvee, Moinul Islam Zaber · 2021 · IFIP advances in information and communication technology
20. Paradoxical findings on smoking in reduced risk of severe COVID-19
    Shiu Lun Au Yeung, Kin On Kwok · 2022 · International Journal of Epidemiology
21. Association of HCV genotype with viral load among Iranian blood donors: a penalized logistic regression
    Fahimeh Ranjbar Kermani, Sedigheh Amini‐Kafiabad, Kamran Mousavi Hosseini · 2019 · Medical Journal of the Islamic Republic of Iran
22. The impact of preservation and recovery of renal function on survival after veno‐arterial extracorporeal life support: A retrospective cohort study
    Amit Prasad, Christoph Brehm, Kai Singbartl · 2022 · Artificial Organs
23. Risk ratio regression—simple concept yet complex computation
    Murthy Mittinty, John William Lynch · 2023 · International Journal of Epidemiology
24. Regression Methods for Epidemiological Analysis
    Sander Greenland · 2024 · Springer eBooks
25. Hazard Ratio Estimators after Terminating Observation within Matched Pairs in Sibling and Propensity Score Matched Designs
    Tomohiro Shinozaki, Mohammad Alì Mansournia · 2019 · The International Journal of Biostatistics
26. Reply to the letter to the editor regarding “The diagnostic advantage of EOB-MR imaging over CT in the detection of liver metastasis in patients with potentially resectable pancreatic cancer: Methodological issues”
    Takaaki Ito, Toru Imai, Katsuhiro Omae · 2017 · Pancreatology
27. Letter to the Editor: Increased Risk of Revision, Reoperation, and Implant Constraint in TKA After Multiligament Knee Surgery
    Erfan Ayubi, Saeid Safiri · 2017 · Clinical Orthopaedics and Related Research
28. Comment on: Clinical Characteristics of Severe Erosive Esophagitis among Patients with Erosive Esophagitis: A Case-control Study
    Salman Khazaei, Kamyar Mansori, Yousef Veisani · 2018 · Internal Medicine
29. Response to letter to the editor: “comment on unplanned out-of-hospital birth and risk factors of adverse perinatal outcome: findings from a prospective cohort”
    François Javaudin, Arnaud Legrand, Philippe Pès · 2019 · Scandinavian Journal of Trauma Resuscitation and Emergency Medicine
30. The acute:chronic workload ratio: challenges and prospects for improvement
    Chinchin Wang, Jorge Trejo Vargas, Tyrel Stokes · 2019 · arXiv (Cornell University)
31. Maternal psychiatric diagnosis and comorbidities around pregnancy
    Vahe Khachadourian, Arad Kodesh, Stephen Z. Levine · 2021 · medRxiv
32. Authors’ reply
    Mohammad Alì Mansournia, Sonia Minooee, Fahimeh Ramezani Tehrani · 2018 · Climacteric
33. Risk factor modelling of antimicrobial resistance in cancer patients: A systematic review
    Anders Skyrud Danielsen, Léa Franconeri, Samantha Page, Anders Eivind Myhre, Ragnhild Agathe Tornes, Oliver Kacelnik, Jørgen Vildershøj Bjørnholt · 2022 · Research Square
34. Journal of Insect Conservation Survival of eggs to third instar of late-summer and fall-breeding monarch butterflies (Danaus plexippus) and queen butterflies (Danaus gilippus) in north Texas
    Alyx Scott, Kelsey Contreras, Misty Stevenson · 2022 · Research Square
35. Text Mining in der Organisationsforschung
    Heiko Hoßfeld · 2021 · Springer eBooks
36. Causal inference for recurrent events via aggregated marginal odds ratio
    Wenling Zhang, Cecilia A. Cotton · 2023 · Statistics in Medicine
37. COVID-19 vaccine effectiveness against hospitalizations in Paraguay, May 2021—April 2022: A test-negative design
    Sandra Irala, Sarah Hamid, Elena Penayo et al. · 2023 · Vaccine
38. Predicting corporate restructuring and financial distress in banks: The case of the Swiss banking industry
    Daniel Boos, Nikolaos Karampatsas, Wolfgang Garn · 2023 · The Journal of Financial Research
39. The accuracy of 3D structure-from-motion models for assessing underwater coral health
    Prasanna Stephan Wijesinghe, Hesselberg T, Oliver J. Burdekin · 2023 · Journal of Aquaculture & Marine Biology
40. Clinical characteristics of survivors versus non-survivors after acute diquat poisoning: a comparative study—comment
    Qifang Shi, Hao Sun · 2024 · Internal and Emergency Medicine
41. A cross‐sectional assessment of injection of “salts” and HIV transmission‐related behaviours among a cohort of people who inject drugs in Kyrgyzstan
    Rebecca Kennedy, Zachary Bouck, Dan Werb, Ainura Kurmanalieva, Anna Blyum, Natalya Shumskaya, Thomas L. Patterson, Javier Cepeda, Laramie R. Smith · 2024 · Journal of the International AIDS Society
42. Factors associated with mortality of hospitalized road traffic injury patients in 4 low- and middle-income countries
    Heather E. Rosen, Mohammad Khalaf, Sudeshna Mitra · 2025 · Traffic Injury Prevention
43. Understanding the impact of covariates for trachoma prevalence prediction using geostatistical methods
    Misaki Sasanami, Almou Ibrahim, Adam Nouhou Diori et al. · 2025 · BMC Global and Public Health
44. Optimizing early hip maturation strategies in neonatal hip immaturity and dysplasia: a cohort study and network meta-analysis
    Yu-Cheng Su, Ying-Yu Wang, Pei‐Chun Lai, Yu‐Kang Tu, Chih‐Kai Hong, Ming-Tung Huang, Chii-Jeng Lin, Su-Ying Lee, Che‐Wei Lin, Ching‐Ju Fang et al. · 2025 · EClinicalMedicine
45. Risk factors for in-hospital postoperative complications and 6-month graft survival after liver transplantation: A multicenter cohort study
    François Martin Carrier, Helen Trottier, Maxim Soucy-Proulx, Alexandre Joosten, Stuart Andrew McCluskey, Carla Andrea Luzzi, Pritika Ghai, Kristi Papamihali, Constantine Jason Karvellas, Sarah Larbi et al. · 2025 · Liver Transplantation
46. Effects of Residential Greenness on Influenza Virus Infection in 1,012,430 People: A Nationwide Individual-Level Study in China
    Shimeng Cai, Xin Liu, Lei Yang · 2025 · Environment & Health
47. Proton pump inhibitor use and pancreatic risk: evidence from the UK biobank participants and animal experiments
    Xin Gao, Zouhua Xu, Qingxie Liu, Chenchen Yuan, Xiaowu Dong, Xiaolei Shi, Qingtian Zhu, Keyan Wu, Hongwei Xu, Jiajia Pan et al. · 2025 · Frontiers in Pharmacology
48. Risks of Birth Defects Following In Utero Exposures to Unregulated Brominated Haloacetic Acids
    John A. Kaufman, J. Michael Wright · 2025 · Birth Defects Research
49. Statistical Methods: Basic Concepts, Interpretations, and Cautions
    Sander Greenland · 2025 · Springer eBooks
50. The Impact of Exercise Commitment on Flourishing via Psychological Capital (PsyCap): A Second-Order PLS-SEM Approach
    Jinwoong Choi, Young-Lae Choi, Kyuhyun Choi · 2025 · International Journal of Mental Health Promotion
51. Understanding Gender Differences in Injecting‐Related Harms Among an Australian Sample of People Who Inject Drugs
    Daisy Gibbs, Rachel Sutherland, Sarah Larney, Lucy Thi Tran, Amanda Roxburgh, Raimondo Bruno, Samantha Colledge‐Frisby · 2025 · Drug and Alcohol Review
52. Association between Mycoplasma pneumoniae infection and adverse pregnancy outcome: a propensity score weighting study
    Caihua Yang, Haoxuan Jiang, Linya Li, Ping Zheng, Yilei Li, Ying Wu · 2025 · Frontiers in Cellular and Infection Microbiology
53. Clinical characteristics and outcomes of type A intramural haematoma and aortic dissection: a systematic review and meta-analysis of 6457 patients
    Qianlei Lang, Chaoyi Qin, Hong Qian, Hongjia Ma, Julin Zhang, Kosgei Godwin Kiplimo, Wei Meng, Jia Hu · 2026 · Heart
54. A primer on large-sample statistical inference for epidemiologists
    Bonnie E. Shook‐Sa, Stephen R. Cole, Paul N. Zivich, Jessie K. Edwards, Taylor Krajewski, Timothy Feeney, Adaora A. Adimora, Michael G. Hudgens · 2026 · Epidemiologic Methods
55. Injury risk and its relationship with biological maturation among 100 junior tennis athletes: a 15-year retrospective analysis
    Yoshimasa Saigo, Daichi Morikawa, Yoshiaki Itoigawa et al. · 2026 · British Journal of Sports Medicine
56. Negatives about positivity and consistency as conditions for causal inference
    S. Greenland, Stephen R. Cole · 2026 · American Journal of Epidemiology
57. Vonoprazan is associated with a phenotype-specific increase in cholangitis reporting in immune checkpoint inhibitor-treated patients: a VigiBase pharmacovigilance study
    Kazuyuki Mizuno, Basile Chrétien, Kazuki Nishida · 2026 · Journal of Gastroenterology
58. Primary Non-Adherence to Electronic Prescriptions in Lithuania, 2018–2024: Nationwide Prevalence, Factors, and Regional Variation
    Viktorija Butrimaitė, Marija Blockytė, Jurga Andrėja Kazlauskaitė, Tomas Lasys, Loreta Kubilienė · 2026 · Pharmacoepidemiology
59. Estimation bias resulting from sparse data
    Zhongheng Zhang, Bo Ren · 2016 · Intensive Care Medicine
60. Mortality, length-of-stay, bloodstream and respiratory viral infections in a pediatric intensive care unit: Comment on data sparsity
    Erfan Ayubi, Saeid Safiri · 2017 · Journal of Critical Care
61. The diagnostic advantage of EOB-MR imaging over CT in the detection of liver metastasis in patients with potentially resectable pancreatic cancer: Methodological issues
    Saeid Safiri, Erfan Ayubi · 2017 · Pancreatology
62. Comment on data sparsity - Diagnostic and prognostic significance of systemic alkyl quinolones for P. aeruginosa in cystic fibrosis: A longitudinal study
    Erfan Ayubi, Jamal Hallajzadeh, Saeid Safiri · 2017 · Journal of Cystic Fibrosis
63. Long term mortality in critically ill burn survivors: Methodological issues
    Erfan Ayubi, Saeid Safiri · 2017 · Burns
64. Prognostic Value of Computed Tomography: Measured Parameters of Body Composition in Primary Operable Gastrointestinal Cancers: Methodologic Issues
    Erfan Ayubi, Saeid Safiri · 2017 · Annals of Surgical Oncology
65. Validation of Predictive Scoring System for Ventriculoperitoneal Shunt Insertion After Aneurysmal Subarachnoid Hemorrhage: Statistical and Methodologic Issues
    Saeid Safiri, Ahad Ashrafi‐Asgarabad · 2017 · World Neurosurgery
66. Neonatal cerebral lesions predict 2-year neurodevelopmental impairment in children treated with laser surgery for twin–twin transfusion syndrome: methodological issues
    Saeid Safiri, Mark J. M. Sullman, Mostafa Qorbani · 2017 · The Journal of Maternal-Fetal & Neonatal Medicine
67. Comments on Prognostic Impact of Margin Distance and Tumor Spread through Air Spaces in Limited Resection for Primary Lung Cancer
    Kamyar Mansori, Erfan Ayubi, Saeid Safiri · 2018 · Journal of Thoracic Oncology
68. Pre-burn malnutrition increases operative mortality in burn patients who undergo early excision and grafting in a sub-Saharan African burn unit: Methodological issues
    Ahad Ashrafi‐Asgarabad, Saeid Safiri · 2018 · Burns
69. Response:
    Hong Cai, Zhiguo Liu · 2017 · Gastrointestinal Endoscopy
70. Prevalence and risk factors for female and male adolescents involved in pregnancy and abortion: a population-based cross-sectional study in Taiwan, 2006–2016
    Wing Hin Stanford Siu, Li-Hung Tsai, Pei‐Ru Li, Lai‐Chu See · 2022 · Journal of Public Health
71. Factors associated with discharge from hospital to residential aged care for younger people with neuropsychiatric disorders: an exploratory case–control study in New South Wales, Australia
    Rachael C Cvejic, Tim R. Watkins, Adrian Raymond Walker, Simone Reppermund, Preeyaporn Srasuebkul, Brian Draper, Adrienne Withall, Di Winkler, Ingrid Honan, Deidre Mackechnie et al. · 2022 · BMJ Open
72. First-line opioid agonist treatment as prevention against assisting others in initiating injection drug use: A longitudinal cohort study of people who inject drugs in Vancouver, Canada
    Zachary Bouck, Andrea C. Tricco, Laura C. Rosella · 2023 · Drug and Alcohol Dependence Reports
73. To wait or not to wait: Weighing the pros and cons of early identification of safety concerns for medications used in pregnancy
    Sonia Marzia Grandi, Farzin Khosrow‐Khavar · 2023 · Pharmacoepidemiology and Drug Safety
74. Comparing police use of drug detection dogs amongst injecting and non-injecting groups of people who regularly use drugs in Australia
    Daisy Gibbs, Cate King, Caitlin Hughes · 2023 · International Journal of Drug Policy
75. Impact of coronavirus disease 2019-related clinic closures on HIV incidence in young adult MSM and transgender women in Kenya
    Elizabeth Wahome, Fredrick Otieno, Joshua Kimani et al. · 2023 · AIDS
76. Perceived Need, Unmet Need for Mental Health Care and Related Factors Among Mothers of Children with Autism Spectrum Disorder in Hamadan, Western Iran
    Erfan Ayubi, Mahdieh Seyedi, Roya Shafiei, Ensiyeh Jenabi · 2023 · Current Women s Health Reviews
77. Sex differences in outcomes after endovascular treatment in posterior circulation stroke: results from the MR CLEAN Registry
    Mariam Ali, Luuk Dekker, Mahsoem Ali, Erik W. van Zwet, Jeanette Hofmeijer, Paul J. Nederkoorn, Charles B.L.M. Majoie, Adriaan CGM van Es, Maarten Uyttenboogaart, Anne van der Meij et al. · 2024 · Journal of NeuroInterventional Surgery
78. Accuracy of Dental Calcification Stages in Predicting the Peak Pubertal Stage of Females
    Maryam Mostafavi, Mohammad Hossein Razeghinejad, Saied Shahi · 2024 · Turkish Journal of Orthodontics
79. Determinants of early-onset colorectal cancer: a multicenter case-control study in Iran
    Giulia Collatuzzo, Monireh Sadat Seyyedsalehi, Hamideh Rashidian, Maryam Hadji, Roya Safari‐Faramani, Abbas Rezaianzadeh, Reza Malekzadeh, Kazem Zendehdel, Paolo Boffetta · 2024 · European Journal of Cancer Prevention
80. Optimizing Acute Variceal Bleeding Management: Abbreviated Therapy With Terlipressin and Antibiotics
    Sagnik Biswas, S. Shalimar · 2024 · The American Journal of Gastroenterology
81. Regression Methods for Epidemiological Analysis
    Sander Greenland · 2024 · Springer eBooks
82. A Comment on González et al: Predicting Injuries in Elite Female Football Players With Global-Positioning-System and Multiomics Data
    Lorenzo Lolli · 2024 · International Journal of Sports Physiology and Performance
83. Age-period-cohort modeling of oesophageal carcinoma risk in a middle eastern country: 1980–2019
    Saeed Akhtar, Ahmad Shallal Alshammari, Mohammad Al-Huraiti · 2024 · Journal of Public Health
84. Efficacy and safety of Pueraria lobata radix as an adjuvant therapy for type 2 diabetes mellitus: rationale, design and protocol for a randomised controlled trial
    Jianrong Chen, Jiancheng Wang, Lixia Yuan et al. · 2025 · BMJ Open
85. Complications and risk factors for endoscopic third ventriculostomy: A 10-year single-centre study and systematic literature review
    Einar Naveen Møen, Christian André Helland, Rupavathana Mahesparan · 2025 · Brain and Spine
86. Toward Defining Complicated Coagulase-Negative Staphylococcal Bacteremia
    Benedetta Varisco, Jesús Rodríguez‐Baño, Luis Eduardo López-Cortés · 2025 · Clinical Infectious Diseases
87. Association between Stereotactic Radiotherapy and Death from Brain Metastases of Epithelial Ovarian Cancer: a Gliwice Data Re-Analysis with Penalization
    Andrzej Tukiendorf, Mohammad Alì Mansournia, Jerzy Wydmański · 2017 · PubMed
88. Factors Associated With Lower Extremity Dysmorphia Caused by Lower Extremity Lymphoedema: Comment on Data Sparsity
    Erfan Ayubi, Saeid Safiri · 2017 · European Journal of Vascular and Endovascular Surgery
89. Factors Associated With Surgical Outcomes in Congenital Ptosis: A 10-Year Study of 319 Cases
    Erfan Ayubi, Saeid Safiri · 2017 · American Journal of Ophthalmology
90. Predictors of granulomatous lymphocytic interstitial lung disease in common variable immunodeficiency: Methodological issues
    Erfan Ayubi, Saeid Safiri · 2017 · Annals of Allergy Asthma & Immunology
91. Worrisome high frequency of extended-spectrum beta-lactamase-producing Escherichia coli in community-acquired urinary tract infections: A case–control study; methodological issues
    Erfan Ayubi, Saeid Safiri · 2017 · International Journal of Infectious Diseases
92. Pre-diagnostic dynamic HPV16 IgG seropositivity and risk of oropharyngeal cancer: Methodological issues
    Erfan Ayubi, Saeid Safiri · 2017 · Oral Oncology
93. Comments on “Short-Term Outcome of Spontaneous Intracerebral Hemorrhage in Algarve, Portugal: Retrospective Hospital-Based Study”
    Saeid Safiri, Ahad Ashrafi‐Asgarabad · 2018 · Journal of Stroke and Cerebrovascular Diseases
94. Comparison of Reference Values and Z Scores of Pulse-Doppler Waveforms of Fetal Pulmonary Artery and Aorta
    Elaheh Malakan Rad, Ehsan Aghaei Moghadam, Mohammad-Taghi Majnoon · 2018 · Iranian Journal of Pediatrics
95. Bayesian methods for clinicians.
    Razieh Bidhendi Yarandi, Kazem Mohammad, Hojjat Zeraati · 2020 · PubMed
96. Is the number of previous hospitalizations associated with increased in-hospital mortality after hip fracture in a developing country?
    Helen Machareth, Edison Iglesias de Oliveira Vidal, Cláudia Medina Coeli · 2020 · PLoS ONE
97. Satisfaction with mental health and psycho-social support services provided to Syrians under temporary protection in Turkey, evidence from refugee health training centers
    Akfer Karaoğlan Kahiloğulları, Esra Alataş, Fatmagül Ertuğrul, Altin Malaj · 2020 · Journal of Migration and Health
98. Examining the Geospatial Distribution of Health and Support Services for Transgender, Gender Nonbinary, and Other Gender Diverse People in New York City
    Denton Callander, Byoungjun Kim, Micah Domingo · 2021 · Transgender Health
99. Longitudinal analyses suggest a higher burden of self-reported influenza-like illness among women and girls in a rural community in western Kenya
    Reagan Chweya, Susan Mambo, John Mwangi Gachohi · 2021 · Global Epidemiology
100. Occurrence and perceived effectiveness of activities used to decrease chemotherapy-induced peripheral neuropathy symptoms in the feet
     Theodora Ogle, Kimberly E. Alexander, Patsy M. Yates, Steven M. Paul, Kord M. Kober, Yvette P. Conley, Mark A. Schumacher, Jon D. Levine, Christine A. Miaskowski · 2021 · European Journal of Oncology Nursing