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Table 1 Relative bias in crude marginal hazard ratio

From: Statistical power in parallel group point exposure studies with time-to-event outcomes: an empirical comparison of the performance of randomized controlled trials and the inverse probability of treatment weighting (IPTW) approach

c-statistic Minimum relative bias (%) Median relative bias (%) Maximum relative bias (%)
0.5 −0.7 0.4 0.6
0.6 1.9 2.7 2.9
0.7 −23.8 −20.4 −18.7
0.8 −47.4 −39.1 −35.1
0.9 −75.6 −59.6 −51.6