Table 3.

 Final model based on five trials. Regression coefficients (β) with standard errors (SE) and hazard ratios (HR) with 95% confidence intervals

Variable	β (SE)	HR (95% CI )	P value
Bandage	0.27 (0.10)	1.31 (1.09 to 1.58)	0.005
Duration category (months):
Overall	—	—	<0.001
1.01-6.0 v 0-1	−0.12 (0.11)	0.89 (0.71 to 1.11)	0.293
6.01-12.0 v 0-1	−0.53 (0.19)	0.59 (0.40 to 0.85)	0.005
>12 v 0-1	−1.07 (0.19)	0.35 (0.24 to 0.50)	<0.001
Loge ulcer area	−0.36 (0.05)	0.70 (0.64 to 0.77)	<0.001