Table 2 The accuracy of SMS for detecting peripheral hypoperfusion or predicting hospital mortality
For peripheral hypoperfusion | For hospital mortality | |||||
|---|---|---|---|---|---|---|
Population | All patients | Hypotension | Shock | All patients | Hypotension | Shock |
AUROC | 0.64 (0.59–0.69) | 0.68 (0.61–0.75) | 0.81 (0.673–0.90) | 0.60 (0.55–0.65) | 0.63 (0.56–0.70) | 0.71 (0.57–0.83) |
Cutoff | 1 | 1 | 1 | 1 | 1 | 1 |
Sensitivity | 29 (13–51) | 38 (14–68) | 67 (22–96) | 20 (10–33) | 26 (13–43) | 42 (20–67) |
Specificity | 98 (96–99) | 97 (93–99) | 91 (79–98) | 99 (98–100) | 100 (97–100) | 100 (89–100) |
PPV | 54 (25–81) | 50 (19–81) | 50 (16–84) | 85 (55–98) | 100 (69–100) | 100 (63–100) |
NPV | 95 (93–97) | 95 (91–98) | 95 (84–99) | 88 (84–91) | 83 (75–87) | 74 (59–86) |