Age range (years)

 All patients N (%) Group A n (%) Group B n (%) Group C n (%)

4 - </=5

15(33)

2(13)

3(20)

10(67)

>5 - </=6

15(33)

6(40)

5(33)

4(27)

>6 - </=7

8(18)

3(20)

4(27)

1(7)

>7 - </=8

3(6)

2(13)

1(7)

0

>8 - </=9

4(9)

2(13)

2(13)

0
Table 1: Age distribution of patients included in the study.