Table 1.
Quality assessment of diagnostic accuracy studies
| Study identification |
Risk of bias |
Applicability concerns |
|||||
|---|---|---|---|---|---|---|---|
| Author, Year | Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard |
| Shankar et al., 1999 [6] | Low | Unclear | Unclear | Unclear | Low | Low | Low |
| Snow et al., 2012 [19]∗ | Unclear | Low | Unclear | Unclear | High | Low | Low |
| Bradford et al., 2013 [4]∗ | Unclear | Unclear | Unclear | Low | High | Low | Low |
| Goyal et al., 2017 [9] | Low | Low | Low | Low | Low | Low | Low |
Abbreviation: RCT, randomized controlled trial.
∗
Snow and Bradford recruited patients from the same pilot RCT.