Table 1.

Distribution of study subjects according to their age and gender.

Age groups (in years)	Males n (%)	Females n (%)	Total n (%)
60–65	22 (55%)	18 (45%)	40 (100%)
65–70	10 (33.3%)	20 (66.7%)	30 (100%)
70–75	13 (52%)	12 (48%)	25 (100%)
75–80	11 (61.1%)	7 (38.9%)	18 (100%)
80–85	15 (93.8%)	1 (6.3%)	16 (100%)
85–90	2 (50%)	2 (50%)	4 (100%)
Total	73 (54.9%)	60 (45.1%)	133 (100%)