Table 2.
Methodological quality of the included studies
| Criterion | Bache and Cross7 | Moore6 | Lesho9 | Kazemi and Roscoe2 | Dissmann and Han8 | Wilder et al10 |
|---|---|---|---|---|---|---|
| Consecutive or random sample | Yes | Yes | Yes | Yes | Yes | Yes |
| Case–control study design avoided | Yes | Yes | Yes | Yes | Yes | Yes |
| Inappropriate exclusions avoided | Yes | Yes | Yes | Yes | Yes | Yes |
| Index test interpreted blind and independent of reference standard/prespecified threshold | Unclear | Yes | Yes | Yes | Yes | Unclear |
| Appropriate reference standard | Yes | Yes | Yes | Yes | Yes | Yes |
| Reference standard interpreted blind and independent of index test | Unclear | Unclear | Unclear | Yes | Yes | Unclear |
| Appropriate interval between index test and reference standard | Not reported | Not reported | Within 30 days | Not reported | Not reported | Not reported |
| All patients received a reference standard/same reference standard | Yes | Yes | No | Yes | Yes | No |
| All patients included in the analysis | Yes | Yes | No | Yes | Yes | No |