Table 2. Age-wise distribution of cases.

Variable	Category		Number	%
Age	≤20 years		21	5%
	21-40 years		89	21.1%
	41-60 years		139	32.9%
	61-80 years		160	37.9%
	>80 years		13	3.1%
	Total		422	100%
	Median	Range	Mean	Standard deviation
	55	3-94	53.63	18.53