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Table 4 Statistical evaluation of quality of life scores between the surgery-first group and the orthodontic-first group at 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)

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

Varies Varies P(T2-T3) P(T2-T4) P(T2-T5) P(T2-T6) P(T3-T4) P(T3-T5) P(T3-T6) P(T4-T5) P(T4-T6) P(T5-T6)
functional limitation Surgery-first group 0.024* 0.000*** 0.000*** 0.000*** 0.658 0.725 0.687 0.801 0.831 0.882
Orthodontic-first group 0.824 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.654 0.702 0.783
physical pain Surgery-first group 0.048* 0.004** 0.000*** 0.000*** 0.624 0.742 0.049* 0.903 0.921 0.920
Orthodontic-first group 0.768 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.726 0.824 0.931
psychological discomfort Surgery-first group 0.003** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.869 0.902 0.965
Orthodontic-first group 0.857 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.867 0.798 0.804
physical disability Surgery-first group 0.003** 0.000*** 0.000*** 0.000*** 0.687 0.000*** 0.000*** 0.145 0.263 0.687
Orthodontic-first group 0.867 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.042* 0.032* 0.903
psychological disability Surgery-first group 0.004** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.035* 0.038* 0.867
Orthodontic-first group 0.864 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.024* 0.034* 0.902
social disability Surgery-first group 0.000*** 0.000*** 0.000*** 0.000*** 0.214 0.000*** 0.000*** 0.042* 0.038* 0.824
Orthodontic-first group 0.875 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.042* 0.024* 0.897
handicaps Surgery-first group 0.321 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.365 0.487 0.867
Orthodontic-first group 0.806 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.035* 0.008** 0.421
Total
scores
Surgery-first group 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.042* 0.031* 0.682
Orthodontic-first group 0.654 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.000*** 0.725
  1. *P < 0.05; ** P < 0.01; *** P < 0.001