From: Physical Activity Following Hip Arthroscopy in Young and Middle-Aged Adults: A Systematic Review
Internal Validity | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
External Validity | Performance | Detection | Attrition | Selection bias/control of confounding | |||||||||||
Study | Representative ✓ | 1Participation rate ✓ | Direct observation ✓ | PROM-validity/reliability ✓ | 2Direct measure - validity/ reliability | Blinded assessors ✓ | 3Outcome measure ✓ | 1Completeness ✓ | 4Age ✓ | Location ✓ | 5Sex ✓ | 6Severity of Joint disease ✓ | 7Follow-up ✓ | Single site &/or surgeon(YES) | LOE |
RCTs | |||||||||||||||
n=2 | 2 | 2 | 2 | 2 | NA | 2 | 2 | 0 | 1 | 2 | 0 | 2 | 1 | 1 | 2 |
Prospective studies, more than 1 arm | |||||||||||||||
n=13 | 10 | 13 | 13 | 9 | 1 | 1 | 13 | 11 | 3 | 12 | 8 | 10 | 1 | 12 | 3 |
Prospective studies, Single-arm | |||||||||||||||
n=11 | 5 | 6 | 10 | 7 | NA | 1 | 11 | 8 | 2 | 11 | 3 | 7 | 1 | 9 | 3/4 |
Retrospective studies, more than1 arm | |||||||||||||||
n=53 | 41 | 48 | 53 | 2 | NA | 1 | 49 | 43 | 3 | 52 | 37 | 44 | 2 | 51 | 4 |
Retrospective studies, Single-arm | |||||||||||||||
n=41 | 32 | 40 | 40 | 6 | NA | 1 | 40 | 35 | 3 | 40 | 7 | 35 | 0 | 38 | 4 |