Table 1.
Jadad quality scores for 10 studies of intra-articular corticosteroid injections for osteoarthritis of the knee
| Study | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Jadad score14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cederlõf 19667 | + | + | ? | ? | + | ? | + | + | + | + | − | 3 |
| Dieppe 19808 | + | + | ? | + | ? | − | + | + | + | + | + | 3 |
| Friedman 19809 | + | + | ? | + | + | + | + | + | + | + | − | 5 |
| Gaffney 199510 | + | + | ? | + | − | − | + | + | − | + | + | 3 |
| Jones 199617 | + | + | ? | + | + | − | + | − | − | + | + | 3 |
| Miller 195818 | + | + | ? | + | − | ? | + | + | − | + | − | 2 |
| Ravaud 199911 | + | + | ? | + | + | + | + | + | + | + | + | 5 |
| Raynauld 20032 | + | + | ? | + | − | − | + | + | + | + | + | 3 |
| Smith 200312 | + | + | ? | − | + | + | + | + | + | + | + | 5 |
| Wright 196019 | + | + | ? | + | + | + | ? | + | − | + | − | 5 |
Numbers 1-11 follow Pedro format (www.cchs.usyd.edu.au/pedro/); Jadad score is calculated from different set of criteria14: 1=eligibility criteria specified; 2=patients randomised to groups; 3=concealment of allocation; 4=groups similar at baseline; 5=patients blinded; 6=practitioners administering intervention blinded; 7=assessors blinded; 8=measurements of key outcomes obtained from >85% of patients; 9=intention to treat analysis; 10=statistical comparisons between groups; 11=point measures and measures of variability provided.
+Criterion clearly satisfied.
−Criterion not clearly satisfied.
?Unclear whether criterion was satisfied.