Table 3 Pair-wise epoch by epoch agreement by SDB group
| Â | Automated staging | Â | Â | |||||
|---|---|---|---|---|---|---|---|---|
|  | Normal and Mild SDB (n = 40,641 epochs) |  | % | |||||
| Â | Wake | N1 | N2 | N3 | REM | Total | No. epochs | Epochs |
Wake | 79.7% | 9.2% | 7.7% | 0.8% | 2.6% | 100% | 7342 | 18.1% |
NREM1 | 24.7% | 25.1% | 38.4% | 0.6% | 11.2% | 100% | 5436 | 13.4% |
NREM2 | 6.2% | 7.6% | 77.7% | 6.0% | 2.4% | 100% | 18167 | 44.7% |
NREM3 | 1.8% | 0.0% | 13.5% | 83.9% | 0.9% | 100% | 4234 | 10.4% |
REM | 4.9% | 6.6% | 12.4% | 1.4% | 74.6% | 100% | 5462 | 13.4% |
No. epochs | 8663 | 3793 | 18019 | 4817 | 5349 | Â | Â | Â |
% epochs | 21.3% | 9.3% | 44.3% | 11.9% | 13.2% | Â | Â | Â |
Kappa | 0.67 | 0.21 | 0.60 | 0.76 | 0.72 | Â | Â | Â |
Moderate and Severe SDB (n = 29,938 epochs) | ||||||||
| Â | Wake | N1 | N2 | N3 | REM | Total | Â | Â |
Wake | 71.1% | 16.9% | 8.1% | 0.3% | 3.6% | 100% | 9086 | 22.4% |
NREM1 | 18.9% | 30.0% | 40.3% | 0.4% | 10.5% | 100% | 6955 | 17.1% |
NREM2 | 8.6% | 14.1% | 70.5% | 4.1% | 2.7% | 100% | 10205 | 25.1% |
NREM3 | 7.1% | 0.0% | 26.7% | 65.0% | 1.1% | 100% | 1077 | 2.7% |
REM | 4.5% | 10.8% | 15.9% | 1.4% | 67.4% | 100% | 2615 | 6.4% |
No. epochs | 8851 | 5349 | 11430 | 1204 | 3104 | Â | Â | Â |
% epochs | 29.6% | 17.9% | 38.2% | 4.0% | 10.4% | Â | Â | Â |
Kappa | 0.60 | 0.17 | 0.48 | 0.60 | 0.58 | Â | Â | Â |