| CPAP N = 64 | Control N = 66 | P value | |
|---|---|---|---|
| Age (years) | 65.3 (10.5) | 63.7 (9.0) | n.s. |
| % male | 67 | 79 | |
| Body mass index (kg/m2) | 34.9 (8.7) | 35.1 (6.3) | n.s. |
| Neck circumference (cm) | 43.2 (4.1) | 44.9 (4.0) | 0.017 |
| Duration of diabetes (years) | 16.3 (8.7) | 15.2 (9.5) | n.s. |
| HbA1c (mmol/l) | 67.0 (17.5) | 66.7 (23.1) | n.s. |
| Oxygen desaturation index/hr | 37.2 (18.3) | 35.9 (15.1) | n.s. |