Table 2.
The methological quality of the included studies assessed by QUADAS-2.
| Author, year | Risk of Bias |
Applicability Concerns |
|||||
|---|---|---|---|---|---|---|---|
| Patient Selection | Index Text | Reference Standard | Flow and Timing | Patient Selection | Index Text | Reference Standard | |
| Sustic et al., 2010 | Low | High | Low | Low | Low | Low | Low |
| Álvarez-Díaz et al., 2014 | Low | Low | Low | Low | Low | Low | Low |
| Parab et al., 2015 | High | Low | Low | Low | Low | Low | Low |
| Hu et al., 2017 | Low | Low | Low | Low | Low | Low | Low |
| Parab et al., 2019 | Low | Low | Low | Low | Low | Low | Low |
| Chung et al., 2020 | Low | Low | Low | Low | Low | Low | Low |
| Park et al., 2021 | High | Unclear | Unclear | Low | Low | Low | Low |
| Kanavitoon et al., 2022 | Low | Low | Low | Low | Low | Low | Low |
Abbreviations: QUADAS, Quality Assessment of Diagnostic Accuracy Studies.