Table 3.

Multivariate analyses of event‐free survival in 154 patients (Cox regression)

Variable	HR	95% C.I.	P**
25(OH)D level at diagnosis( )<20 ng/mL vs. ≥20 ng/mL	2.88	1.20–6.90	0.02
IPI 3–5 vs. 0–2	2.97	1.47–56.00	0.002

HR, hazard ratio, C.I., confidence interval. ** P‐values <0.05 are considered significant