Table 3.

Intragroup comparisons for the rate of canine retraction between different time intervals

Groups	Time Frame	Mean Difference	Standard Error	Degree of Freedom	P	95% CI interval
						Lower	Upper
Control	T1 vs T2	0.020	0.18	1	0.413**	0.05	0.09
	T1 vs T3	0.036	0.29	1	0.324**	0.03	0.07
	T1 vs T4	0.039	0.34	1	0.232**	0.02	0.04
	T2 vs T3	0.025	0.16	1	0.156**	0.01	0.03
	T2 vs T4	−0.031	0.15	1	0.415**	0.02	0.05
	T3 vs T4	−0.037	0.16	1	0.633**	0.01	0.04
Experimental	T1 vs T2	0.114	0.12	1	0.422**	0.14	0.39
	T1 vs T3	0.118	0.14	1	0.512**	0.19	0.50
	T1 vs T4	0.213	0.43	1	0.321**	0.26	0.47
	T2 vs T3	0.006	0.35	1	0.753**	0.01	0.07
	T2 vs T4	0.003	0.21	1	0.424**	0.02	0.06
	T3 vs T4	0.002	0.16	1	0.556**	0.01	0.09

Post hoc bonferroni test; * Significant at P≤0.05; **Nonsignificant at P≥0.05