Summary of psychometric properties reported in studies and COSMIN ROB and quality studies
| Study | Psychometric properties reported | COSMIN ROB | COSMIN rating* (criteria) | Quality of studies (QACMRR) |
| Bjorklund et al 32 | Validity (correlation) | Very good | ? | Excellent |
| Cleland et al 22 | Validity (correlation) | Very good | + | Excellent |
| Cleland et al 23 | Validity (correlation) | Very good | − | Excellent |
| Cook et al 24 | Sensitivity Specificity | Very good Very Good | + | Excellent |
| Farooq et al 38 | Validity (correlation) | Very good | + | Excellent |
| Guzy et al 25 | Validity (correlation) | Very good | ? | Very good |
| Jorritsma et al 34 | Validity (correlation) | Very good | ? | Excellent |
| Kamper et al 26 | Test–retest reliability | Very good | + | Excellent |
| Monticone et a l 35 | Validity (correlation) | Very good | ? | Excellent |
| Monticone et al 36 | Validity (correlation | Very good | ? | Excellent |
| Ngo et al 31 | Test–retest reliability | Very good | + | Excellent |
| Shaheen et al 27 | Validity (correlation) | Very good | ? | Excellent |
| Takeshita et al 28 | Validity (correlation) | Very good | ? | Very good |
| Trouli et al 29 | Validity (correlation) | Very good | + | Excellent |
| Tuttle et al 30 | Validity (correlation) | Very good | ? | Excellent |
| Young et al 37 | Validity (correlation) | Very good | ? | Excellent |
Criteria for good measurement properties: ‘+’ sufficient; ‘−‘ insufficient; ‘?’ indeterminate.
*The grading for the quality of the evidence based on the modified GRADE approach is not applicable.
COSMIN, Consensus-based Standards for the Selection of Health Measurement Instruments; QACMRR, Quality Appraisal for Clinical Measurement Research Reports Evaluation Form; ROB, risk of bias.