Table 2 Quality assessment of the studies
| Â | Risk of bias | Applicability concerns | |||||
|---|---|---|---|---|---|---|---|
Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard | |
Antal [12] | Low | Low | n/a | Unclear | Low | Low | n/a |
Barba [13] | Low | Low | n/a | High | Low | Low | n/a |
Blake [14] | Low | Low | n/a | High | Low | Low | n/a |
Grajda [15] | Low | Low | n/a | Low | Low | Low | n/a |
Hediger [16] | Low | Low | n/a | High | Low | Low | n/a |
Kent [17] | Low | Low | n/a | High | Low | Low | n/a |
Karmar [18] | Low | Low | n/a | High | Low | Low | n/a |
Krzyzaniak [19] | Unclear | Low | n/a | Low | Low | Low | n/a |
Lurbe [20] | High | Low | Low | Low | Low | Low | n/a |
Rosner [21] | Unclear | High | n/a | Low | Unclear | Low | n/a |
Sarganas [23] | Low | Low | n/a | Low | Low | Low | n/a |
Satoh [24] | Unclear | Low | n/a | High | Unclear | Low | n/a |
Schwandt [25] | Low | Low | n/a | Low | Low | Low | n/a |
Weiss [26] | Low | Low | n/a | Low | Low | Low | n/a |