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| Анализ на преживяемостта при конкуриращи се рискове× | Оценъчен метод на Нелсън-Аален за кумулативен риск× | |
|---|---|---|
| Област | Анализ на преживяемостта | Анализ на преживяемостта |
| Семейство | Survival analysis | Survival analysis |
| Година на възникване≠ | 1999 | 1972 |
| Създател≠ | Fine, J.P. & Gray, R.J. | Wayne Nelson & Odd Aalen |
| Тип≠ | Competing risks survival model | Non-parametric cumulative hazard estimator |
| Основополагащ източник≠ | Fine, J.P. & Gray, R.J. (1999). A Proportional Hazards Model for the Subdistribution of a Competing Risk. Journal of the American Statistical Association, 94(446), 496–509. DOI ↗ | Nelson, W. (1972). Theory and applications of hazard plotting for censored failure data. Technometrics, 14(4), 945–966. DOI ↗ |
| Други названия | Rekabet Eden Riskler Analizi, cumulative incidence function, CIF analysis, cause-specific survival analysis | Nelson-Aalen cumulative hazard, Aalen estimator, empirical cumulative hazard, Nelson-Aalen kümülatif hazard tahmincisi |
| Свързани | 5 | 5 |
| Резюме≠ | Competing risks analysis, formalized by Fine and Gray in 1999, is a survival analysis framework for settings where a subject can experience one of several mutually exclusive event types. The key quantity is the cumulative incidence function (CIF), which estimates the probability of a specific event occurring by time t in the presence of the other competing events. | The Nelson-Aalen estimator is a non-parametric estimator of the cumulative hazard function from right-censored time-to-event data. Developed by Wayne Nelson for reliability hazard plotting in 1972 and placed on a rigorous counting-process foundation by Odd Aalen in 1978, it accumulates the ratio of observed events to the number at risk at each event time, providing the natural hazard-scale companion to the Kaplan-Meier survival curve. |
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