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Table 3 Success rate, dye clearance test for both groups

From: Application of biodegradable collagen matrix (Ologen™) implants in Dacryocystorhinostomy surgeries, a randomized clinical study

Variable Group A Group B p value Test
Epiphora
 Present 4 1 p = 0.353 Fischer exact test
 Absent 26 29   
Dye Clearance Test (minutes) 4.5 ± 0.6 3.9 ± 0.4 p = 0.001 t test