Table 1.

Age and gender distribution of subjects.

Age group (years)	Cases (n = 100)	Controls (n = 100)
Upto 20	2	2
21–30	22	22
31–40	34	34
41–50	31	31
51–60	11	11
Gender	Cases (n = 100)	Controls (n = 100)
Female	64	64
Male	36	36