Table 3 Clinical event detection.
High heart rate | Low heart rate | High respiratory rate | Low respiratory rate | Low oxygen saturation | High temperature | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | |
Event | ||||||||||||
True positive | 109 | 109 | 4 | 4 | 1090 | 1111 | 3 | 3 | 535 | 1165 | 1 | – |
True negative | 1426 | 1633 | 1661 | 1661 | 463 | 536 | 1126 | 1126 | 464 | 514 | 602 | – |
False positive | 240 | 33 | 4 | 4 | 76 | 3 | 14 | 14 | 56 | 6 | 6 | – |
False negative | 0 | 0 | 0 | 0 | 81 | 60 | 0 | 0 | 743 | 113 | 3 | – |
Statistical summary | ||||||||||||
Accuracy (%) | 87 | 98 | 100 | 100 | 91 | 96 | 99 | 99 | 56 | 93 | 99 | – |
Sensitivity (%) | 100 | 100 | 100 | 100 | 93 | 95 | 100 | 100 | 42 | 91 | 25 | – |
Specificity (%) | 86 | 98 | 99 | 99 | 86 | 99 | 99 | 99 | 89 | 99 | 99 | – |
PPV (%) | 31 | 77 | 50 | 50 | 94 | 100 | 18 | 18 | 91 | 100 | 14 | – |
NPV (%) | 100 | 100 | 100 | 100 | 85 | 90 | 100 | 100 | 38 | 82 | 100 | – |
FN:FP | 0 | 0 | 0 | 0 | 1:0.9 | 1:0.1 | 0 | 0 | 1:0.1 | 1:0.1 | 1:2 | – |
