Fig. 2
From: Analysing population-based cancer survival – settling the controversies
Comparing two cohorts with the different measures. Colon cancer survival (simulated data): a) Overall survival, b) Crude mortality, c) Net survival, d) Relative survival ratio. Black curves: cohort A, diagnosed 1990; blue curves: cohort B, diagnosed 2000. Dashed lines denote the 95% confidence intervals for cohort A