Table 2.
Quality assessment of included studies with QUADAS-2 Scores.
| Study | Risk of bias | Applicability concerns | |||||
|---|---|---|---|---|---|---|---|
| Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard | |
| Mahrholdt 2006 | Low | Low | Low | Unclear | Low | Low | Low |
| Yilmaz 2008 | Low | Low | Low | Unclear | Low | Low | Low |
| Gutberlet 2008 | Low | Low | Low | Low | Low | Low | Low |
| Sramko 2013 | Low | Low | Low | Low | Low | Low | Low |
| Lurz 2014-AMC | Low | Low | Low | Unclear | Low | Low | Low |
| Lurz 2014-CMC | Low | Low | Low | Unclear | Low | Low | Low |
| Bohnen 2015 | Low | Low | Low | Low | Low | Low | Low |
| Lurz 2016-AMC | Low | Low | Low | Low | Low | Low | Low |
| Lurz 2016-CMC | Low | Low | Low | Low | Low | Low | Low |