Table 2.

Demographic comparison of control and study groups

Demographic		Study group (n)	Control group (n)	Test value	P value
Total number of cases		46	44
Gender	Girls	27	23	Chi = 0.138	0.71
	Boys	19	19
Side	Right	25	19	Chi = 1.12	0.29
	Left	21	25
Age	Average (years)	14.7	14.5	T = 0.428	0.67
	Range (years)	11.5–16.9	11.4–16.9

Statistical significance was set at p < 0.05