Table 4.

Hazard ratio and their 95% Confidence Interval of occurrence of relapse for Early Azathioprine (EAZ) versus Late Azathioprine (LAZ) groups

	EAZ	LAZ	p-value
Number of cases	15	15
Unadjusted HR (95% CI)	1 (reference)	3.1 (1.0–10)	0.06
Adjusted for age and gender HR	1 (reference)	2.2 (0.6–8.1)	0.23
Multivariate HR (95% CI)a	1 (reference)	1.9 (0.4–7.5)	0.34

^aAdjusted for age, gender, disease site, and PCDAI at baseline

HR Hazard Ratio