Table 2. Lacrimal drainage system disorders by groups.

Lacrimal drainage system disorders	Group A		Group B		Total
	No.	%	No.	%	No.	%
Chronic dacryocystitis	22	53.7	29	51.8	51	52.6
Lacrimal fistula	2	4.9	2	3.6	4	4.1
Mucocele	3	7.3	6	10.7	9	9.3
Previous failed DCR	6	14.6	2	3.6	8	8.2
Nasolacrimal duct obstruction	4	9.8	9	16.0	13	13.4
Medial common canalicular obstruction	4	9.8	8	14.3	12	12.4
Total	41	100.0	56	100.0	97	100.0
χ2= 5.02; DF=5; P=0.414