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Table 3 Naïve per-class statistics for the matching of SRS and ORS
Level | Percentage match | 95 % C.I. |
|---|---|---|
Accuracy | ||
Alert | 46.4 % | 42.7 % – 50.0 % |
First signs of sleepiness | 35.4 % | 32.2 % – 38.7 % |
Severe sleepiness | 44.4 % | 40.3 % – 48.6 % |
Reliability | ||
Alert | 47.1 % | 43.4 % – 50.9 % |
First signs of sleepiness | 42.4 % | 38.7 % – 46.0 % |
Severe sleepiness | 35.0 % | 31.4 % – 38.6 % |