Table 4 Assessment of agreement among the reviewers on the ratings of PEDro scale using Cohen’s kappa
| Â | Eligibility criteria specified | Randomized allocation | Concealed allocation | Baseline similarity | Blinded subjects | Blinded therapists | Blinded assessors | Adequate follow-up | Intention to treat analysis | Comparison between groups | Point estimates and variability |
|---|---|---|---|---|---|---|---|---|---|---|---|
Kappa (mean/SE) | 0.629 ± 0.331 | 0.755 ± 0.228 | − 0.083 ± 0.059a | 0.567 ± 0.273 | 0.270 ± 0.234 | 0.316 ± 0.253 | 0.698 ± 0.187 | 0.025 ± 0.212 | 0.316 ± 0.175 | 1.000 ± 0.000 | 0.161 ± 0.275 |
95% Confidence Interval (CI) | −0.021 to 1.000 | 0.307 to 1.000 | −0.198 to 0.032 | 0.032 to 1.000 | −0.190 to 0.729 | − 0.179 to 0.811 | 0.330 to 1.000 | − 0.390 to 0.440 | −0.027 to 0.659 | 1.000 to 1.000 | −0.378 to 0.700 |
Observed agreement percentage (P0) | 92.31% | 92.31% | 84.62% | 84.62% | 61.54% | 76.92% | 84.62% | 53.82% | 61.54% | 100.00% | 69.23% |
Expected agreement percentage (Pe) | 79.29% | 68.64% | 85.80% | 64.50% | 47.34% | 66.27% | 49.11% | 52.66% | 43.79% | 73.96% | 63.31% |