Setting | Total number of studies | Sensitivity (95% CI) | Specificity (95% CI) | Diagnostic odds ratio (95% CI) | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95%CI) | AUROC |
Overall | 14 | 0.68 (0.62 - 0.75) | 0.80 (0.75 - 0.85) | 14.2 (6.0 - 33.6) | 3.3 (2.1 - 5.1) | 0.34 (0.21 - 0.54) | 0.86 (0.78 - 0.93) |
Mechanical ventilation | 9 | 0.75 (0.67 - 0.82) | 0.82 (0.74 - 0.88) | 22.9 (5.6 - 93.4) | 4.3 (2.0 - 9.4) | 0.27 (0.13 - 0.54) | 0.90 (0.80 - 0.99) |
Spontaneous breathing | 5 | 0.56 (0.45 - 0.68) | 0.78 (0.70 - 0.86) | 7.9 (3.5 - 18.1) | 2.7 (1.8 - 4.0) | 0.50 (0.29 - 0.86) | 0.80 (0.71 - 0.89) |