Table 3 . Age Groups of the Subjectsa .

Age Groups	Male	Female	Total	Percent
≤ 6 monthsb	12	8	20	13.8
> 6 months -12 months	11	9	20	13.8
>12 month-5 years	36	25	61	42.1
> 5-10 years	13	1	14	9.6
Above 10 years	18	12	30	20.7
Total	90	55	145	100

^a The age of four males and five females were missing. The sex and age of one subject was not documented.

^b P value = 0.17, x²= 6.4.