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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

From: The changes of oral health-related quality of life and satisfaction after surgery-first orthognathic approach: a longitudinal prospective study

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)
  1. *P < 0.05; **P < 0.01; ***P < 0.001