Table 4 Comparisons of baseline parameters of patients free of any cardiovascular co-morbidity (excluding smoking and alcohol consumption) who completed serial carotid IMT measurements between CPAP and CT group
| Â | CPAP (n = 12) | CT (n = 12) | P value |
|---|---|---|---|
Male/Female | 11/1 | 9/3 | 0.590 |
Age (yrs) | 44.3 (2.1) | 48.5 (1.7) | 0.135 |
Body mass index (kg/m²) | 27.4 (1.1) | 25.9 (1.1) | 0.357 |
Neck circumference (cm) | 40.0 (1.1) | 37.6 (1.0) | 0.127 |
Waist circumference (cm) | 96.3 (3.2) | 91.9 (2.9) | 0.320 |
Hip circumference (cm) | 101.7 (2.2) | 97.5 (2.1) | 0.179 |
Systolic blood pressure (mmHg) | 139.9 (3.6) | 129.7 (6.5) | 0.164 |
Diastolic blood pressure (mmHg) | 81.7 (2.7) | 75.7 (3.2) | 0.160 |
Cholesterol (mmol/l) | 5.8 (0.5) | 5.4 (0.4) | 0.535 |
HDL Cholesterol (mmol/l) | 1.5 (0.3) | 1.2 (0.1) | 0.331 |
LDL Cholesterol (mmol/l) | 3.7 (0.4) | 3.4 (0.3) | 0.548 |
Triglycerides (mmol/l) | 1.3 (0.3) | 1.8 (0.3) | 0.338 |
Fasting plasma glucose (mmol/l) | 5.2 (0.3) | 5.1 (0.1) | 0.676 |
ESS (0-24) | 12.7 (1.0) | 11.5 (1.3) | 0.477 |
Smoking status | Â | Â | Â |
   Non smoker | 10 | 8 | 0.640 |
   Smoker | 2 | 4 |  |
Alcoholic consumption | Â | Â | Â |
   Non drinker | 7 | 5 | 0.684 |
   Drinker | 5 | 7 |  |
AHI (events per hr) | 36.3 (6.5) | 35.5 (6.6) | 0.929 |
REM-AHI (events per hr) | 34.4 (6.5) | 30.5 (7.6) | 0.712 |
Non-REM-AHI (events per hr) | 36.4 (6.8) | 35.7 (6.7) | 0.942 |
Minimum SaO2 (%) | 77.0 (3.4) | 80.0 (2.9) | 0.509 |
Mean SaO2 (%) | 94.2 (0.7) | 93.9 (0.9) | 0.827 |
Arousal index (per hr of sleep) | 29.1 (4.8) | 26.8 (5.1) | 0.746 |
Percentage of sleep time with SaO2<90% (%) | 10.3 (4.7) | 7.6 (3.2) | 0.645 |
Snoring/TST (%) | 16.2 (7.7) | 7.0 (3.2) | 0.510 |
Sleep efficiency (%) | 81.9 (3.0) | 81.6 (3.7) | 0.943 |
Mean carotid IMT (micron) | 721.7 (40) | 660.0 (20) | 0.153 |