Table 2.
Patient Characteristics
| Treatment Response Groups |
||||
|---|---|---|---|---|
| Variable | All Patients | Complete Responders | Partial Responders | Nonresponders |
| Patients, No. | 53 | 25 | 17 | 11 |
| Sex, M (F) | 42 (11) | 17 (8) | 14 (3) | 11 (0) |
| Age, y | 49.5 ± 11.8 | 46.2 ± 10.8a | 49.1 ± 11.4 | 57.3 ± 12.3 |
| Height, cm | 173.8 ± 9.3 | 172.7 ± 10.0 | 174.6 ± 9.7 | 174.7 ± 6.9 |
| Weight, kg | 86.9 ± 16.3 | 85.7 ± 16.2 | 88.9 ± 15.8 | 86.6 ± 18.4 |
| BMI, kg/m2 | 28.7 ± 4.2 | 28.7 ± 4.5 | 29.1 ± 4.1 | 28.2 ± 4.3 |
| Skeletal class | ||||
| I | 26 | 12 | 9 | 5 |
| II | 22 | 10 | 7 | 5 |
| III | 5 | 3 | 1 | 1 |
| Baseline AHI, events/h | 33.0 ± 14.4 | 28.4 ± 14.4a | 34.8 ± 15.1 | 40.6 ± 12.7 |
| AHI with MAS, events/h | 10.8 ± 12.5 | 2.5 ± 1.4a , b | 10.8 ± 4.8c | 29.4 ± 15.1 |
| Baseline MinSao 2, % | 83.4 ± 8.1 | 84.2 ± 7.8 | 83.2 ± 8.4 | 81.9 ± 9.1 |
| MinSao 2 with MAS | 86.7 ± 6.6 | 89.9 ± 3.4a | 86.2 ± 5.9 | 80.1 ± 8.2 |
| Mandibular advancement, mm | 9.5 ± 2.0 | 9.4 ± 2.1 | 10.1 ± 1.8 | 8.9 ± 2.1 |
| Mandibular advancement, % of baseline maximum protrusion | 116.2 ± 25.1 | 114.7 ± 22.9 | 118.4 ± 31.5 | 116.4 ± 20.2 |
Data are presented as mean ± SD, unless otherwise indicated. AHI = apnea-hypopnea index; F = female; M = male; MAS = mandibular advancement splint; MinSao 2 = minimum arterial oxygen saturation.
a
P < .05 complete responder vs nonresponder groups.
b
P < .05 complete responder vs partial responder groups.
c
P < .05 partial responder vs nonresponder groups.