Table 1. Clinical Characteristics of Patients.

Characteristic	Group 1	Group 2	p value
No. of patients	67	33
Male:female	34:33	11:22
Age at surgery (yrs)*	55.82±9.08	58.70±8.86	0.964
Disease duration (yrs)*	11.13±4.66	11.55±5.15	0.496

^*Presented as mean±standard deviation.