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Number of microarousals and PWA drops by sleep stage
| NREM 1 | NREM 2 | NREM 3 | NREM 4 | REM | Total | |
|---|---|---|---|---|---|---|
| Microarousal (n) | 264 | 820 | 20 | 20 | 64 | 1188 |
| PWA drops (n) | 93 | 673 | 56 | 111 | 152 | 1085 |
| PWA drops without arousal (n) | 8 | 58 | 37 | 95 | 118 | 316 |
| PWA drops with arousal (n) | 85 | 615 | 19 | 16 | 34 | 769 |
| Sensitivity (%) | 32.2 | 75.0 | 95.0 | 80.0 | 53.1 | 64.7 |
| Positive Predictive Value (%) | 91.4 | 91.4 | 33.9 | 14.4 | 22.4 | 70.9 |
