Table 2.

Multivariate Cox regression model and weighted scores

Prognostic factor	Coefficient	P-value	HR	95% CI	Weighted Score*
ACE score
0–1	Reference				0
2–3	.48	0.001	1.62	1.22–2.14	1
D-IPSS score
Low (0)	Reference				0
Intermediate-1 (1–2)	.25	0.277	1.32	0.80–2.17	1
Intermediate-2 (3–4)	1.018	<0.001	2.77	1.69–4.54	2
High (5–6)	1.538	<0.001	4.66	2.47–8.79	3

^*Weighted score was obtained by dividing the estimated coefficients by 0.5 and rounding to the nearest integer.