Table 2 Sleep Measures
| Â | Control(n = 12) | Snorer (n = 11) | ||
|---|---|---|---|---|
| Â | NREM sleep (without CPAP) (Trial 1) | NREM sleep (with CPAP) (Trial 2) | NREM sleep (without CPAP) (Trial 1) | NREM sleep (with CPAP) (Trial 2) |
Apnea index (apnea/hr) | 0.38 ± 0.15 | 0.67 ± 0.34 | 1.19 ± 0.56 | 0.16 ± 0.07 |
Hypopnea index (hypopnea/hr) | 1.80 ± 0.71 | 0.89 ± 0.29 | 2.14 ± 0.62 | 0.34 ± 0.19 |
Arousal index (arousals/hr) | 12.87 ± 1.39 | 12.87 ± 1.02 | 14.11 ± 2.20 | 10.74 ± 1.83 |
Nocturnal Oxygen Saturation (%) | 96.58 ± 0.23 | 96.7 ± 0.30 | 96.10 ± 0.39 | 96.40 ± 0.42 |
Sleep efficiency (%) | 88.76 ± 3.62 | 88.09 ± 2.02 | 86.32 ± 2.18 | 83.73 ± 1.99 |
% of time in Stage I | 11.29 ± 1.83 | 7.83 ± 0.90 | 7.22 ± 1.04 | 8.88 ± 1.57 |
% of time in Stage II | 46.04 ± 1.42 | 45.53 ± 1.91 | 48.07 ± 2.58 | 48.48 ± 2.57 |
% of time in Slow Wave Sleep | 22.45 ± 3.10 | 20.65 ± 1.42 | 21.95 ± 1.41 | 21.27 ± 2.36 |