Fig. 4From: Collagen matrix vs mitomycin-C in trabeculectomy and combined phacoemulsification and trabeculectomy: a randomized controlled trialMean number of ocular hypotensive medications at the baseline visit prior to surgery and each subsequent study visit in the collagen matrix (CM) and mitomycin-C (MMC) groups (p < 0.05 by Wilcoxon rank sum test at days 1 and 7).Back to article page