Table 1. Age and gender distribution of case and control groups.

Variables	Case	Control	P value
Age (mean ±SD, years)	59.7 ± 8.4	58.6 ± 11.6	0.667
Gender
Male	19 (54.3%)	16 (50%)	0.726
Female	16 (45.7%)	16 (50%)
Total	35	32