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Comparable Performance of the Kansas City Cardiomyopathy Questionnaire in Patients With Heart Failure With Preserved and Reduced Ejection Fraction
Open accessAbstract
Background—: Despite the growing epidemic of heart failure with preserved ejection fraction (HFpEF), no valid measure of patients’ health status (symptoms, function, and quality of life) exists. We evaluated the Kansas City Cardiomyopathy Questionnaire (KCCQ), a validated measure of HF with reduced EF, in patients with HFpEF. Methods and Results—: Using a prospective HF registry, we dichotomized patients into HF with reduced EF (EF≤ 40) and HFpEF (EF≥50). The associations between New York Heart Association class, a commonly used criterion standard, and KCCQ Overall Summary and Total Symptom domains were evaluated using Spearman correlations and 2-way ANOVA with differences between patients with HF with reduced EF and HFpEF tested with interaction terms. Predictive validity of the KCCQ Overall Summary scores was assessed with Kaplan–Meier curves for death and all-cause hospitalization. Covariate adjustment was made using Cox proportional hazards models. Internal reliability was assessed with Cronbach’s α. Among 849 patients, 200 (24%) had HFpEF. KCCQ summary scores were strongly associated with New York Heart Association class in both patients with HFpEF ( r =−0.62; P <0.001) and HF with reduced EF ( r =−0.55; P =0.27 for interaction). One-year event-free rates by KCCQ category among patients with HFpEF were 0 to 25=13.8%, 26 to 50=59.1%, 51 to 75=73.8%, and 76 to 100=77.8% (log rank P <0.001), with no significant interaction by EF ( P =0.37). The KCCQ domains demonstrated high internal consistency among patients with HFpEF (Cronbach’s α=0.96 for overall summary and ≥0.69 in all subdomains). Conclusions—: Among patients with HFpEF, the KCCQ seems to be a valid and reliable measure of health status and offers excellent prognostic ability. Future studies should extend and replicate our findings, including the establishment of its responsiveness to clinical change.
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“The KCCQ is a standardized, 23-item, participant-administered instrument that quantifies heart failurerelated symptoms (frequency, severity, and recent changes), physical function, quality of life, and social function. 16-18 For each domain, the validity, reproducibility, responsiveness, and interpretability have been independently established. 16-18”
From Semaglutide in Patients with Heart Failure with Preserved Ejection Fraction and Obesity (2023) · cites this paper as [17]
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Statistics notes: Cronbach's alpha: Table 1
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BackgroundInfluentialHeart failure with preserved left ventricular systolic function
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Self-citationEMPEROR-REDUCED reigns while EMPERIAL whimpers
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“Prior studies have shown that worse HRQoL is associated with increased risk of rehospitalisation and mortality in patients with HF [3 – 6 , 22 – 24 ].”
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“The Portuguese version of KCCQ-12 has excellent internal consistency and construct validity in patients with reduced LVEF and can confidently be used in research and clinical care.”
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“A 5-point change is considered significant, and scores < 75 are considered to reflect clinically important symptoms [9, 11, 17, 18].”
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“25 The KCCQ has undergone extensive reliability and validity testing in various HF populations 26–28 and is used to measure health status in LVAD studies.”
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Heart Failure with Preserved Ejection Fraction in Egypt: An Expert Opinion
Abdelhamid, M., Salem, A. Z., Kabil, H., Ragy, H. I., Hasan‐Ali, H., Elnoamany, M. F., Elsetiha, M., & Shaheen, S. M. (2025) · Global Heart · doi:10.5334/gh.1411
Gamero, M. T., Soles, E. O., & Brailovsky, Y. (2025) · Journal of Cardiac Failure · doi:10.1016/j.cardfail.2025.03.007 · Cited by 1
Escobar, C., Pascual-Figal, D. A., Segura, J. M. G., Capel, M., Pomares, E., & Caudron, C. (2025) · BMC Health Services Research · doi:10.1186/s12913-025-13089-7
Byrne, R. D., Nair, A. P., Dolgner, S. J., Choudhry, S., Hickey, E. J., Wood, A. C., Fedson, S., Bozkurt, B., & Broda, C. R. (2025) · JACC Advances · doi:10.1016/j.jacadv.2025.102020
Mautong, H., Desai, A., Sharma, S., Ruiz, J. R., Leoni, J., & GOSWAMI, R. M. (2025) · Medical Sciences · doi:10.3390/medsci13030146
“The association of KCCQ-12 scores with prognosis has been demonstrated at the time of discharge from hospitalization for ADHF [16].”
Nguyen, H. L. H., Pham, A. T. N., Trinh, T. C., Than, T. H. N., Nguyen, T. N. H. M., & Pham, T. H. (2025) · medRxiv · doi:10.1101/2025.10.21.25337981
Ciubotaru, P. G., Kundnani, N. R., Marin-Bancila, L., Nisulescu, D. D., Albulescu, N., Sharma, A., Ivan, V. S., Buzaș, R., Ciocan, V., & Lighezan, D. (2025) · Journal of Cardiovascular Development and Disease · doi:10.3390/jcdd12120453
“This result is consistent with earlier research that indicates KCCQ can distinguish between patients with varying cardiac functions, even those who are not part of traditional heart failure cohorts [24].”
Surikova, J., Payne, A. Y. M., Miller, K.-L., Ravaei, A., & Nolan, R. P. (2020) · Figshare · doi:10.6084/m9.figshare.12672507
Girard, A. A., Mylavarapu, U., Komtebedde, J., Arnold, S. V., Solomon, S. D., Leon, M. B., van Veldhuisen, D. J., Cutlip, D. E., Čikeš, M., Zile, M. R., et al. (2026) · Circulation Population Health and Outcomes · doi:10.1161/circoutcomes.125.012676
Self-citationTerminale Herzinsuffizienz: Therapie mit „Kunstherz“
Wiedemann, D., & Riebandt, J. (2026) · Wiener klinisches Magazin · doi:10.1007/s00740-025-00581-3
“[KCCQ]) belegen eine deutliche Verbes-serung gegenüber dem präoperativen Zustand (z.B. NYHA IV, KCCQ ∅ 29 Punkte) und das auch stabil über den Unterstüt-zungszeitraum hinweg [23, 24].”
Sraboyants, T. (2026) · Journal of Doctoral Nursing Practice · doi:10.1891/jdnp-2021-0023
Kim, W., Yoon, M., Park, J. J., Kook, W., & Greenberg, B. (2026) · Revista Española de Cardiología · doi:10.1016/j.recesp.2026.01.005
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Xiao, D., Xu, Y., Jiang, Y., Xiong, Z., Shen, Q., Sun, X., Xiong, X., & Hu, B. (2026) · Frontiers in Cardiovascular Medicine · doi:10.3389/fcvm.2026.1841870
Defining Clinically Meaningful Within-Patient Changes in Heart Failure
Yehya, A., Hahn, R. T., Borlaug, B., Delgado, V., Ambrosy, A. P., Arena, R. A., Reza, N., Lewis, G. D., Tapaskar, N., Carbone, S., et al. (2026) · JACC Heart Failure · doi:10.1016/j.jchf.2026.103310
Self-citationLiu, X., Zhang, Z., Cui, M., Shu, C., Yu, W., Pan, H., Abudukeremu, A., Zhao, K., Zheng, M., Cao, Z., et al. (2026) · Medicine Advances · doi:10.1002/med4.70081
Håkansson, E., Anan, I., Brunström, M., Ängerud, K. H., Lindqvist, P., Pilebro, B., Wixner, J., & Lindmark, K. (2026) · PLoS ONE · doi:10.1371/journal.pone.0346065
“Answers are transformed into several sub scores, including total symptom score (TSS), overall summary score (OSS) and clinical summary score (CSS), each ranging from 0–100 points with a higher score meaning less symptoms [8,26,27].”
Metadata
- Authors
- Joseph, S. M., Novak, E., Arnold, S. V., Jones, P. G., Khattak, H., Platts, A. E., Dávila-Román, V. G., Mann, D. L., & Spertus, J. A.
- Affiliations
- Washington University in St. Louis (US)
- From the Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St Louis, MO (S.M.J., E.N., H.K., A.E.P., V.G.D.-R., D.L.M.); and Saint Luke’s Mid-America Heart Institute, University of Missouri, Kansas City (S.V.A., P.G.J., J.A.S.).
- Venue
- Circulation: Heart Failure
- Published
- 2013-11
- Volume
- 6
- Issue
- 6
- Pages
- 1139-1146
- ISSN
- 1941-3289 (ISSN-L)
- 1941-3297
- PMC
- PMC4545244
- OpenAlex
- W2547126679
- Cited by
- 192
- References
- 50
- Citations by year
- 2026: 12 · 2025: 18 · 2024: 28 · 2023: 24 · 2022: 16 · 2021: 24 · 2020: 20 · 2019: 13 · 2018: 10 · 2017: 11 · 2016: 6 · 2015: 7 · 2014: 3
- FWCI
- 3.63
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Circulation Heart Failure (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
- Funders
- National Heart, Lung, and Blood Institute (U10HL110309, RC2HL102222)
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Failure Treatment and Management
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Function and Risk Factors
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart rate and cardiovascular health
- Keywords
- Kansas City Cardiomyopathy Questionnaire, heart failure with preserved ejection fraction, heart failure with reduced ejection fraction, health status measurement, quality of life, symptom burden, NYHA functional class, prognostic validity, mortality, hospitalization, internal consistency
- MeSH terms
- Female, Follow-Up Studies, Health Status, Heart Failure, Humans, Male, Middle Aged, Prognosis, Prospective Studies, Quality of Life, Surveys and Questionnaires, Severity of Illness Index, Stroke Volume, United States, Reproducibility of Results, Incidence, Disease Progression
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