Table 4.

Reclassification table and net reclassification improvement estimated by Taiwan index in 2006–2009 Taiwanese incident hemodialysis patients

USRDS Indexa	Taiwan Index Survival Probability (Comorbidity Score)b
	P≥0.8 (0–4)	0.7≤P<0.8 (5–8)	0.6≤P<0.7 (9–11)	0.5≤P<0.6 (12–13)	P<0.5 (≥ 14)
Death (n=8537)
Survival probability  (comorbidity score)b
P≥0.8 (0–2)	1766	134	0	0	0
0.7≤P<0.8 (3–5)	346	2129	606	75	0
0.6≤P<0.7 (6–7)	15	528	940	217	95
0.5≤P<0.6 (8–9)	0	98	336	422	220
P<0.5 (≥ 10)	0	0	54	144	412
Living (n=21,766)
Survival probability  (comorbidity score)
P≥0.8 (0–2)	8821	336	0	0	0
0.7≤P<0.8 (3–5)	1361	5553	884	68	0
0.6≤P<0.7 (6–7)	44	1068	1520	241	73
0.5≤P<0.6 (8–9)	0	119	480	470	191
P<0.5 (≥10)	0	0	57	132	348
NRI	4.71%
P value	<0.001

NRI, net reclassification improvement.

^aUSRDS index was used as reference prediction model.

^bRange of survival probability and the corresponding range of comorbidity scores.