Table 2. Quality checklist scores for four studies.
| Criteria | Draak et al. | Kierkegaard et al. | Kim et al. | Lang et al. |
|---|---|---|---|---|
| 1. Participant inclusion/exclusion criteria explicit | 1 | 2 | 2 | 2 |
| 2. Participants enrolled consecutively or systematically | 2 | 2 | 2 | 2 |
| 3. Attrition addressed | 2 | 1 | 2 | 2 |
| 4. Grip strength measure described | 4 | 3 | 4 | 5 |
| 5. Measurement bias | 1 | 2 | 1 | 2 |
| 6. Measurement hiatus | 2 | 2 | 2 | 2 |
| 7. Intervention or inter-test activity described | 2 | 0 | 0 | 0 |
| 8. ROC with AUC for cut-point | 0 | 1 | 2 | 0 |
| 9. MCID anchors | 1 | 1 | 1 | 1 |
| Total | 15 | 14 | 16 | 16 |
1. Both (2), one (1), neither (0); 2. Yes (2), unclear (1), no (0); 3. No attrition or yes & <25%, reasons given (2), yes but >25%, reasons given (1), no or>25%, no reasons given; 4. Instrument, adjustment, position, trials, criterion measurement described (5); 4/5 (4), 3/5 (3), 2/5 (2), 1/5 (1), 0/5 (0); 5. Blind, duplicate, or independent observer (2), unclear (1), investigator or treating clinician (0); 6. Specifically (2), vaguely (1), no (0); 7. Specifically (2), vaguely (1), no (0); 8. Cut point from ROC noted & AUC≥0.70 reported (2), cut point from ROC noted but AUC<0.70 (1), cut point not determined by ROC (0); 9. More than one anchor (2), one anchor (1), anchor not designated (0).