Table 1.

Distribution of variables among functional epiphora and nonfunctional epiphora groups

Variable	Functional (n=7)	Nonfunctional (n=24)	P**
Age (years), mean±SD	59	52	0.29*
Male:female	2:5	11:13	0.67†
Preinjection mean Schirmer’s values	14	18	0.93‡
Preoperative Munk score, median (IQR)	4 (3-5)	4 (3-4)	0.35‡
Postoperative Munk score, median (IQR)	1 (1-2)	2 (1-3)	0.17‡
Units injected, median (IQR)	2.5 (2.5-5)	5 (2.5-5)	0.28‡
Outcome (% improvement), median (IQR)	75 (50-80)	50 (25-66)	0.07‡
Total injections given, median (IQR)	1 (1-3)	1.5 (1-2)	0.91‡
Follow-up (months), mean (IQR)	6 (2-12)	5 (1.5-7)	0.40‡
Complications (%)	1 (14.3)	2 (8.3)	1.00†

*Student’s t-test, ^†Fisher’s exact probability test, ^‡Mann-Whitney test, **P value denotes comparison between two groups. IQR: Interquartile range, SD: Standard deviation