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. 2020 Apr 6;21:315. doi: 10.1186/s13063-020-4153-2

Table 3.

Empirical type 1 error (size) of the nine tests in 60,000 simulated samples for low and high event rates

Test Abbrev. Low event rate High event rate
Size (%) 95% CI Size (%) 95% CI
Logrank LR 5.0 (4.8,5.2) 5.1 (4.9,5.3)
Logrank (early) LRE 5.0 (4.8,5.2) 5.1 (5.0,5.3)
Logrank (late) LRL 4.9 (4.7,5.1) 5.3 (5.1,5.4)
Supremum logrank SupLR 4.5 (4.4,4.7) 4.6 (4.5,4.8)
Joint J 5.1 (4.9,5.3) 5.0 (4.9,5.2)
Combined C 4.9 (4.7,5.1) 5.0 (4.8,5.2)
Weighted combined WC 4.8 (4.6,5.0) 5.4 (5.2,5.6)
Versatile WLR VWLR 5.0 (4.8,5.2) 5.2 (5.0,5.4)
Versatile WLR (modified) VWLR2 5.1 (4.8,5.1) 5.2 (5.0,5.4)