Table 2.

Comparison of two groups in terms of age, gender and duration of treatment

	Group 1 (N = 16)		Group 2 (N = 15)		Z	p
	Mean ± SD	Median (Min.-Max.)	Mean ± SD	Median (Min.-Max.)
Age (year)	15.06 ± 1.77	16 (13–18)	15.87 ± 1.30	16 (14–18)	-1.458	0.163
Duration of treatment (year)	1.11 ± 0.49	1.06 (0.49–2.06)	1.29 ± 0.26	1.24 (0.81–1.76)	-1.542	0.129
Skeletal Age	Number (%)		Number (%)		Chi-square	p
CVMI 3	3 (18.75%)		0 (0%)		3.139	0.371
CVMI 4	5 (31.3%)		6 (40%)
CVMI 5	6 (37.5%)		7 (46.7%)
CVMI 6	2 (12.5%)		2 (13.3%)
Gender	Number (%)		Number (%)		Chi-square	p
Female	11 (68.8%)		9 (60%)		0.259	0.611
Male	5 (31.3%)		6 (40%)

Z: Mann-Whitney U Test

*p < 0.05 was significant

Min. Minimum, Max. Maximum, SD Standard Deviation, CVMI Cervical vertebral maturation index