Page 155 - Demo

Impact of orthognathic surgery on quality of life in patients with different dentofacial deformities1538Table 2: Mean OHIP score (SD) over all time points.Time point Mean ± SD nPreoperative (T0) 15.3 ± 10.4 76Day 1 (T1) 32.4 ± 12.5 63Day 2 (T2) 33.3 ± 13.3 58Day 3 (T3) 33.6 ± 12.9 60Day 4 (T4) 31.2 ± 12.5 59Day 5 (T5) 32.1 ± 12.0 59Day 6 (T6) 30.0 ± 12.7 60Day 7 (T7) 27.8 ± 13.3 574 weeks (T8) 22.2 ± 12.5 696 months (T9) 9.2 ± 7.8 46≥ 1 year (T10) 7.2 ± 7.8 40SD: standard deviationTable 3: Mean difference in OHIP score in the first week compared to baseline (n=49).Mean difference P-valueT0-T1 17.1 .000T0-T2 18.0 .000T0-T3 18.3 .000T0-T4 15.9 .000T0-T5 16.8 .000T0-T6 14.7 .011T0-T7 12.5 .279Significant at P< .05Table 4: OHIP score at 4 weeks, 6 months, and 1 year compared to baseline.Mean difference P-value nBaseline (T0)- 4 weeks (T8) 6.9 .002 58Baseline (T0)- 6 months (T9) -6.1 .000 46Baseline (T0)- at least 1 year (T10) -8.1 .000 38n: numberSignificant at P < .05Figure 1: Mean OHIP-14 score over time (N=46). Error bars indicate standard deviation.