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| Παλινδρόμηση Αναλογικών Κινδύνων του Cox× | Εκτιμητής Επιβίωσης Kaplan-Meier× | |
|---|---|---|
| Πεδίο | Ανάλυση Επιβίωσης | Ανάλυση Επιβίωσης |
| Οικογένεια | Survival analysis | Survival analysis |
| Έτος προέλευσης≠ | 1972 | 1958 |
| Δημιουργός≠ | Cox, D. R. | Kaplan, E. L. & Meier, P. |
| Τύπος≠ | Semi-parametric hazard regression model | Non-parametric survival estimator |
| Θεμελιώδης πηγή≠ | Cox, D. R. (1972). Regression Models and Life-Tables. Journal of the Royal Statistical Society: Series B, 34(2), 187–202. DOI ↗ | Kaplan, E. L. & Meier, P. (1958). Nonparametric Estimation from Incomplete Observations. Journal of the American Statistical Association, 53(282), 457–481. DOI ↗ |
| Εναλλακτικές ονομασίες≠ | cox ph model, proportional hazards model, cox ph regression, Cox Orantılı Tehlikeler Regresyonu | product-limit estimator, km curve, kaplan-meier sağkalım analizi |
| Συναφείς≠ | 3 | 2 |
| Σύνοψη≠ | Cox proportional hazards regression, introduced by D. R. Cox in 1972, is a semi-parametric model that estimates how one or more covariates affect the hazard — the instantaneous rate of experiencing an event — while leaving the baseline hazard function unspecified. It is the standard multivariable method in survival analysis and produces hazard ratios that quantify the relative risk associated with each predictor. | The Kaplan-Meier estimator, introduced by Kaplan and Meier in 1958, is a non-parametric method that estimates the survival curve — the probability of remaining event-free over time — from right-censored time-to-event data. The log-rank test is the companion procedure used to compare survival curves between groups. |
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