Table 1.
Confusion matrix of the 5-stage analysis between the automatic staging method and expert consensus
| Automatic staging | ||||||
|---|---|---|---|---|---|---|
| Wake | NREM1 | NREM2 | TS | REM | Total | |
| Expert consensus | ||||||
| Wake | 77,822 | 1747 | 231 | 154 | 486 | 80,440 |
| NREM1 | 3807 | 41,452 | 1576 | 718 | 591 | 48,144 |
| NREM2 | 499 | 1207 | 19,663 | 5 | 60 | 21,434 |
| TS | 152 | 907 | 51 | 4013 | 206 | 5329 |
| REM | 156 | 175 | 24 | 191 | 12,763 | 13,309 |
| Total | 82,436 | 45,488 | 21,545 | 5081 | 14,106 | 168,656 |
| SE (%) | 94.4 | 91.13 | 91.26 | 78.98 | 90.48 | |
| SP (%) | 96.96 | 94.57 | 98.8 | 99.2 | 99.65 | |
| PPV (%) | 96.75 | 86.1 | 91.74 | 75.3 | 95.9 | |
| NPV (%) | 94.77 | 96.65 | 98.72 | 99.35 | 99.14 | |
| Overall agr. (%) | 92.32 | |||||
| Kappa | 0.88 | |||||