Table 2.
Outcomes of studies included in this meta-analysis
| First author/year of publication | Sample size | Cutoff (%) | Subject numbers could be calculated | Sensitivity (%) | Specificity (%) | AUROC (95% CI) | |||
|---|---|---|---|---|---|---|---|---|---|
| TP | FP | FN | TN | ||||||
| Barbier 2004 [9] | 20 | 18 | 9 | 1 | 1 | 9 | 90 | 90 | 0.91 (0.84–0.98) |
| Feissel 2004 [10] | 39 | 12 | 14 | 1 | 2 | 22 | 88 | 96 | NA |
| Charbonneau 2014 [16] | 44 | 21 | 10 | 7 | 16 | 11 | 38 | 61 | 0.43 (0.25–0.61) |
| Theerawit 2016 [17] | 29 | 10 | 12 | 3 | 4 | 10 | 75 | 77 | 0.67 (0.48–0.89) |
| Lu 2017 [18] | 49 | 20.5 | 18 | 5 | 9 | 17 | 67 | 77 | 0.81 (0.67–0.94) |
| Vignon 2017 [19] | 422 | 8 | 126 | 58 | 103 | 135 | 55 | 70 | 0.635 |
Abbreviations: AUROC Area under the ROC curve, FN False-negative, FP False-positive, NA Not available, TN True-negative, TP True-positive