Confronta i metodi
Esamina i metodi selezionati fianco a fianco; le righe che differiscono sono evidenziate.
| Analisi retrospettiva di Kaplan-Meier× | Analisi di Kaplan-Meier× | |
|---|---|---|
| Campo | Epidemiologia | Epidemiologia |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1958 (method); retrospective application standard in clinical research since 1970s–1980s) | 1958 |
| Ideatore | Edward L. Kaplan and Paul Meier | Edward L. Kaplan and Paul Meier |
| Tipo≠ | Non-parametric survival analysis applied to historical data | Nonparametric survival estimator |
| Fonte seminale | Kaplan, E. L., & Meier, P. (1958). Nonparametric estimation from incomplete observations. Journal of the American Statistical Association, 53(282), 457–481. DOI ↗ | Kaplan, E. L., & Meier, P. (1958). Nonparametric estimation from incomplete observations. Journal of the American Statistical Association, 53(282), 457–481. DOI ↗ |
| Alias | retrospective KM analysis, retrospective survival curve estimation, historical Kaplan-Meier, retrospective KM estimator | KM analysis, KM estimator, product-limit estimator, Kaplan-Meier curve |
| Correlati | 5 | 5 |
| Sintesi≠ | Retrospective Kaplan-Meier analysis applies the Kaplan-Meier product-limit estimator to time-to-event data drawn from existing records — medical charts, registries, or administrative databases — rather than from a prospectively followed cohort. The method estimates the probability of surviving (or remaining event-free) beyond any given time point while accounting for participants whose follow-up ended before the event occurred (censored observations). It is among the most commonly reported analyses in clinical oncology, cardiology, and surgery. | 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. |
| ScholarGateInsieme di dati ↗ |
|
|