Table 1.

Demographic variables of the patients

Variable	n	%
Gender
Female	432	28.0
Male	1112	72.0
Marital status
Single	1022	66.2
Married	481	31.2
Divorced	1	0.1
Widow/Widower	2	0.1
Past medical history
No	1218	78.9
Yes	241	15.6
Past surgical history
No	1107	71.7
Yes	349	22.6