Table 3.

Comparison of quality of life scores at before treatment (T1); 1 month after surgery (T2); 6 months after treatment (T3); 12 months after treatment (T4); and 18 month after treatment (T5); the finished treatment(T6) with T1 (before treatment) in two group

Varies	Group	T1	T2	P (T2-T1)	T3	P (T3-T1)	T4	P (T4-T1)	T5	P (T5-T1)	T6	P (T6-T1)
functional limitation	Surgery-first group	8.42	5.22	0.034*	2.39	0.000***	1.99	0.000***	1.98	0.000***	1.89	0.000***
		(2.79)	(1.88)		(1.24)		(1.76)		(1.68)		(1.26)
	Orthodontic-first group	8.45	8.30	0.867	8.79	0.758	5.42	0.000***	1.98	0.000***	1.92	0.000***
		(2.99)	(2.56)		(1.23)		(1.98)		(1.68)		(1.56)
physical pain	Surgery-first group	5.26	3.22	0.045*	2.34	0.009**	1.59	0.000***	1.56	0.000***	1.34	0.000***
		(1.85)	(1.55)		(1.24)		(0.67)		(0.51)		(0.89)
	Orthodontic-first group	5.46	5.30	0.920	6.02	0.052	3.51	0.000***	1.89	0.000***	1.75	0.000***
		(1.61)	(1.69)		(2.36)		(1.72)		(1.28)		(1.22)
psychological discomfort	Surgery-first group	6.12	4.29	0.048*	2.22	0.000***	0.56	0.000***	0.52	0.000***	0.45	0.000***
		(2.12)	(1.22)		(1.12)		(1.10)		(0.18)		(0.13)
	Orthodontic-first group	6.25	6.52	0.685	6.56	0.658	4.82	0.000***	2.82	0.000***	0.92	0.000***
		(2.09)	(2.23)		(2.85)		(2.29)		(1.31)		(1.26)
physical disability	Surgery-first group	6.29	4.15	0.045*	1.64	0.000***	1.34	0.000***	0.12	0.000***	0.10	0.000***
		(2.64)	(1.72)		(1.08)		(1.22)		(0.11)		(0.03)
	Orthodontic-first group	6.39	6.56	0.687	6.85	0.785	4.42	0.000***	2.41	0.000***	1.49 (0.91)	0.000***
		(2.72)	(2.67)		(2.75)		(1.75)		(1.13)
psychological disability	Surgery-first group	6.54	3.28	0.007**	1.64	0.000** *	0.42	0.000***	0.20	0.000***	0.15	0.000***
		(2.52)	(1.76)		(1.08)		(0.21)		(0.12)		(0.12)
	Orthodontic-first group	6.72	6.79	0.920	6.76	0.925	3.72	0.000***	1.83	0.000***	0.88	0.000***
		(2.42)	(3.41)		(3.06)		(1.58)		(1.15)		(1.13)
social disability	Surgery-first group	6.03	4.26	0.042	1.24	0.000***	0.62	0.000***	0.19	0.000***	0.15	0.000***
		(2.32)	(1.98)		(1.08)		(0.35)		(0.22)		(0.15)
	Orthodontic-first group	6.12	6.86	0.865	6.89	0.675	4.52	0.000***	1.64	0.000***	0.98	0.000***
		(2.68)	(2.88)		(2.29)		(2.56)		(1.18)		(1.12)
handicaps	Surgery-first group	3.24	2.18	0.035	1.52	0.004**	0.38	0.000***	0.16	0.000***	0.12	0.000***
		(1.18)	(1.81)		(1.75)		(0.26)		(0.12)		(0.12)
	Orthodontic-first group	5.66	6.34	0.901	6.61	0.921	2.42	0.000***	1.94	0.000***	0.78	0.000***
		(2.81)	(1.85)		(2.72)		(2.12)		(1.36)		(1.12)
Total scores	Surgery-first group	38.68	27.72	0.031*	13.94	0.000***	6.90	0.000***	4.11	0.000***	3.89	0.000***
		(4.35)	(3.26)		(2.13)		(1.39)		(0.49)		(1.02)
	Orthodontic-first group	39.55	41.67	0.654	48.48	0.124	28.86	0.000***	15.61	0.000***	8.68	0.000***
		(4.15)	(4.14)		(3.91)		(3.83)		(2.49)		(1.65)

*P < 0.05; **P < 0.01; ***P < 0.001