方法对比
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| Kaplan-Meier分析× | 队列研究× | |
|---|---|---|
| 领域 | 流行病学 | 流行病学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1958 | Mid-20th century (formal epidemiological design codified ~1950s) |
| 提出者≠ | Edward L. Kaplan and Paul Meier | Doll & Hill (British Doctors Study, 1951); Snow (cholera, 1854) |
| 类型≠ | Nonparametric survival estimator | Observational longitudinal study design |
| 开创性文献≠ | Kaplan, E. L., & Meier, P. (1958). Nonparametric estimation from incomplete observations. Journal of the American Statistical Association, 53(282), 457–481. DOI ↗ | Rothman, K. J., Greenland, S., & Lash, T. L. (2008). Modern Epidemiology (3rd ed.). Lippincott Williams & Wilkins. ISBN: 978-0781755641 |
| 别名 | KM analysis, KM estimator, product-limit estimator, Kaplan-Meier curve | longitudinal study, follow-up study, panel study, incidence study |
| 相关≠ | 5 | 6 |
| 摘要≠ | Kaplan-Meier (KM) analysis is a nonparametric method for estimating the survival function from time-to-event data. Introduced by Kaplan and Meier in 1958, it produces the classic step-function survival curve that shows the probability of surviving beyond each observed event time, correctly accounting for censored observations — participants who left the study or had not yet experienced the event by the end of follow-up. It is one of the most widely used techniques in clinical and epidemiological research. | A cohort study assembles a group of individuals who share a common starting point — typically freedom from the outcome of interest — and follows them over time to observe who develops the outcome. By comparing incidence rates between exposed and unexposed subgroups, researchers can estimate relative risk and absolute risk differences. Cohort studies are the gold-standard observational design for measuring disease incidence and establishing temporal relationships between exposure and outcome. |
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