Study | Patient | Index test | Reference standard | Flow and timing | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Random sample | Not case–control | Proper exclusion | Patients meet criteria | Interpret without reference results | Prespecify threshold | Meet review question | Correctly classify | Interpret without index test | Meet review question | Proper interval | Reference standard for all | Same reference standard | All participants analyzed | |
Studies assessing only diagnostic accuracy of the RUDAS (objective 1) | ||||||||||||||
Storey et al.10 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Iype et al.21 | Unclear | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Studies assessing diagnostic accuracy of the RUDAS and comparing it with another cognitive assessment tool (objectives 1 and 2) | ||||||||||||||
Rowland et al.22 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Basic et al.23 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Goncalves et al.24 | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Limpawattana et al.25 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Nielsen et al.26 | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Juwita et al.27 | Unclear | Yes | Yes | Yes | Unclear | Yes | Yes | Yes | Unclear | Yes | Yes | Yes | Yes | Yes |
Studies only comparing the RUDAS with another cognitive assessment tool (objective 2) | ||||||||||||||
Pang et al.19 | Yes | Yes | Yes | Yes | No | Unclear | Yes | NA | NA | Yes | NA | NA | NA | Yes |
Nielsen et al.28 | Yes | Yes | Yes | Yes | NA | No | Yes | NA | NA | Yes | NA | NA | NA | Yes |
Salari et al.20 | Unclear | Yes | Yes | Yes | No | Unclear | Yes | NA | NA | Yes | NA | NA | NA | Yes |
Note: NA = not applicable, QUADAS-2 - Quality Assessment of Diagnostic Accuracy Studies–2.