Table 3.

Measures of discrimination

Measure of discrimination	ERASL-pre			ERASL-post
	Rotterdam n (95% CI)	Okayama n (95% CI)		Rotterdam n (95% CI)	Okayama n (95% CI)
Harrell’s C-index	0.57 (0.51 to 0.63)	0.69 (0.65 to 0.73)		0.62 (0.56 to 0.68)	0.70 (0.66 to 0.74)
Gönen & Heller's K	0.67 (0.65 to 0.69)	0.7 (0.68 to 0.72)		0.67 (0.65 to 0.69)	0.70 (0.68 to 0.72)
Royston-Sauerbrei's Rd2	0.03 (− 0.03 to 0.09)	0.24 (0.12 to 0.36)		0.09 (0.01 to 0.17)	0.29 (0.17 to 0.41)
tdAUC	0.6 (0.48 to 0.72)	0.76 (0.74 to 0.78)		0.72 (0.7 to 0.74)	0.77 (0.75 to 0.79)

tdAUC, area under time-dependent receiver operating characteristic curve

Standard errors (SEs) were estimated from 200 bootstrap samples.