Table 1.
Subject characteristics at baseline and six months following CPAP or surgery.
| CPAP GROUP (n=15) | SURGERY GROUP (n=12) | |||
|---|---|---|---|---|
| Baseline | Post-CPAP | Baseline | Post-surgery | |
| Male gender (number) | 11 (73%) | 2 (17%) | ||
| Age (years) | 48 (range 26-60) | 43 (37, 49) | ||
| BMI (kg/m2) | 33.8 (31.3, 37.9) | 34.1 (31.7, 39.1) | 43.7 (42.0, 51.4) | 32.7 (30.1, 38.7) ** |
| Neck circumference (cm) | 44.0 (41.9, 46.0) | 43.1 (41.5, 45.0) | 41.1 (39.6, 47.97) | 37.8 (35.1, 41.1) ** |
| AHI (events/hour) | 36.5 (24.7, 77.3) | 5.3 (1.6, 10.9) ** | 18.1 (16.3, 67.5) | 10.5 (5.0, 20.8) ** |
| SaO2 nadir (%) | 73.0 (53.0, 81.0) | 84.0 (81.0, 89.0) ** | 78.0 (72.8, 82.8) | 79.0 (74.0, 88.0) ** |
| Arousal index (events/hour) | 37.2 (19.4, 72.6) | 16.2 (11.1, 28.6) ** | 36.5 (27.2, 54.5) | 29.5 (18.6, 35.7) ** |
| Sleep efficiency (%) | 84.1 (78.1, 92.8) | 85.4 (81.5, 90.3) | 86.7 (77.9, 91.9) | 92.7 (89.1, 95.3)* |
| Glycated hemoglobin (%) | 5.7 (5.4, 6.3) | 5.7 (5.4, 6.0) | ||
| Total cholesterol (mg/dL) | 164 (149, 202) | 181 (167, 230) | ||
| Low-density lipoprotein (mg/dL) | 103 (86, 128) | 116 (105, 148) | ||
| High-density lipoprotein (mg/dL) | 44 (36, 50) | 43 (34, 55) | ||
| Triglycerides (mg/dL) | 107 (83, 132) | 117 (77, 166) | ||
| Plasma glucose (mg/dL) | 93 (82, 103) | 95.5 (88.3, 99.0) | ||
| Follow-up duration (days) | 161 (141, 217) | 204 (174, 245) | ||
Data are presented as median (lower quartile, upper quartile) unless indicated otherwise.
AHI = apnea-hypopnea index; BMI = body mass index; CPAP = continuous positive airway pressure; SaO2 = oxygen saturation.
*
p≤0.05 compared to baseline,
**
p≤0.01 compared to baseline.