Table 1.

The demographic characteristics of the study groups

Feature	Control group (A)	Study group (B)
No of patients	49	49
Age in years (range)a	36.7 ± 16.8 (7–75)	37.7 ± 15.2 (4–75)
Male/female	33:16	31:18

^aMean ± standard deviation and (range)