Table 2.
Changes in home sleep test, questionnaire, and cephalometry before and after palatal hybrid surgery.
| Variable | preoperative | postoperative | Change | p |
|---|---|---|---|---|
| BMI (kg/m2) | 26.2 (3.3) | 26.9 (2.9) | +0.7 | 0.06 |
| AHI (event/h) | 41.8 (22.8) | 18.2 (15.3) | −23.6 | <0.0001 |
| supine AHI (event/h) | 45.0 (22) | 23.6 (17.0) | −21.4 | <0.0001 |
| non-supine AHI (event/h) | 18.2 (22.1) | 9.4 (14.2) | −8.8 | 0.0009 |
| AI (event/h) | 25.8 (24.3) | 4.7 (7.5) | −21.1 | <0.0001 |
| ODI (event/h) | 38.5 (21.2) | 18.1 (15.1) | −20.4 | <0.0001 |
| Snoring index (event/h) | 267.1 (186.6) | 133.13 (139.3) | −133.97 | 0.0001 |
| mean SpO2 (%) | 92.6 (3.5) | 94.4 (1.5) | +1.8 | 0.0003 |
| Lowest SpO2 (%) | 72.4 (11.1) | 81.5 (6.7) | +9.1 | <0.0001 |
| <90% SpO2 (%) | 22.0 (22.1) | 7.7 (13.8) | −14.3 | 0.0001 |
| ESS (0–24) | 11.3 (5.5) | 5.5 (2.9) | −5.8 | <0.0001 |
| VAS snore (0–10) | 8.7 (2.4) | 2.6 (1.8) | −6.1 | <0.0001 |
| PAS (mm) | 8.4(2.4) | 11.1(2.7) | +2.7 | <0.0001 |
Continuous variables express as mean (SD).
Abbreviation: SD: standard deviation; BMI: body mass index; MMP: modified Mallampati grade; PAS: posterior air space; AHI: apnea/hypopnea index; AI: apnea index; ODI: oxygen desaturation index; ESS: Epworth sleepiness score; VAS: visual analogue scale.