| Desaturators (n = 27) | Non-desaturators (n = 19) | p Value | |
| Age (y) | 48 (2) | 50 (2) | 0.24 |
| Sex (M/F) | 26/1 | 18/1 | 0.065* |
| Apnoea–hypopnoea index | 63 (5) | 20 (1) | <0.0001 |
| Cigarette smokers | 6 | 7 | 0.28* |
| Diabetes mellitus | 1 | 0 | 0.40* |
| Hypertension | 7 | 4 | 0.70* |
| Hypercholesterolaemia | 8 | 6 | 0.89* |
| Weight (kg) | 115 (5) | 91 (3) | 0.0001 |
| Body mass index (m2/kg) | 37 (1) | 30 (1) | 0.0003 |
| Drugs | |||
| Aspirin | 1 | 2 | 0.82* |
| Statin | 2 | 2 | 0.71* |
| β Blocker | 3 | 2 | 0.95* |
| ACE inhibitor | 0 | 0 | 0.0* |
| Heart rate (bpm) | 64.7 (12) | 72 (3.8) | 0.04 |
| Systolic blood pressure (mm Hg) | 143.2 (3.3) | 143.4 (4.64) | 0.97 |
| Diastolic blood pressure (mm Hg) | 80.4 (2.02) | 81.4 (2.9) | 0.78 |
| Infused FBF (ml/100 ml tissue/min) | 3.9 (0.5) | 3.4 (0.2) | 0.25 |
| Non-infused FBF (ml/100 ml tissue/min) | 3.5 (0.4) | 3.2 (0.2) | 0.65 |
Values are presented as number or mean (SEM).
*χ2 applied.
FBF, forearm blood flow.