Table 3.
Repeated measures comparisons of serial parameters between CPAP and CT at baseline, 6 months and 12 months
| CPAP (n = 28) | CT (n = 22) | P-value | |||||
|---|---|---|---|---|---|---|---|
| Baseline | 6 m | 12 m | Baseline | 6 m | 12 m | ||
| Neck circumference (cm) | 40.5 (0.7) | 40.2 (0.6) | 40.2 (0.7) | 38.5 (0.8) | 38.2 (0.8) | 38.5 (0.8) | 0.819 |
| Waist circumference (cm) | 97.9 (1.9) | 98.0 (1.6) | 97.9 (1.7) | 95.3 (2.8) | 93.2 (2.9) | 94.7 (2.9) | 0.260 |
| Hip circumference (cm) | 102.2 (1.4) | 104.0 (1.5) | 105.2 (1.3) | 100.8 (2.3) | 102.5 (2.2) | 102.7 (2.1) | 0.653 |
| Body mass index (kg/m²) | 28.2 (0.7) | 28.6 (0.7) | 28.3 (0.8) | 28.0 (1.2) | 27.7 (1.1) | 27.9 (1.2) | 0.042 |
| Systolic BP (mmHg) | 140.8 (3.2) | 129.0 (3.6) | 130.7 (3.6) | 138.4 (5.4) | 135.9 (5.4) | 136.1 (5.2) | 0.593 |
| Diastolic BP (mmHg) | 81.7 (2.1) | 82.3 (2.1) | 83.3 (2.1) | 78.6 (3.0) | 84.9 (2.9) | 83.8 (3.7) | 0.412 |
| ESS (0-24) | 13.4 (0.9) | 8.4 (0.8) | 8.2 (1.0) | 12.7 (1.0) | 10.2 (1.2) | 10.3 (1.5) | 0.110 |
| CPAP usage (hrs/night) | N/A | 4.6 (0.3) | 4.7 (0.4) | N/A | N/A | N/A | N/A |
| Mean carotid IMT (micron) | 757.5 (30) | 720.9 (20) | 704.5 (20) | 760.0 (30) | 769.8 (30) | 777.7 (30) | 0.002 |
Values are expressed as mean (SE)
The p-values of BP trends from baseline to 12 months within the CPAP group are as follows: systolic BP, p = 0.013; diastolic BP, p = 0.573