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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Estimating a population cumulative incidence under calendar time trends

Fig. 2

Cumulative incidence in a hypothethical cohort divided into two strata with a time trend given by a proportional hazards model. In the most prevalent stratum, an administrative censoring is imposed at time t=1 but no censoring is happening in the least prevalent stratum. Based on a sample of 50,000 individuals in each stratum, the pooled Kaplan–Meier estimator and the Kaplan–Meier estimator based on a proportional hazards model is computed

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