Table 3. Multivariate logistic-regression analysis on reactivation of hepatitis B.

	P-value	HR	95% CI
No use of prophylactic lamivudine	0.031	14.6	1.89	114.13
Radiation	0.891	1.4	0.80	4.52
Stage	0.752	1.6	0.02	8.23

Abbreviations: CI=confidence interval; HR=hazard ratio.