Intraobserver and interobserver results of the static, web-based, exercise on the midfoot joints (strength of agreement: <0.20 poor, 0.21–0.40 fair, 0.41–0.60 moderate, 0.61–0.80 good, 0.81–1.00 excellent)
| Intraobserver agreement of the static exercise_midfoot | Interobserver agreement of the static exercise_midfoot | |||||||||||
| Prevalence mean range (%) | Observed agreement mean, range (%) | Kappa mean range | PABAK mean range | Prevalence mean I round (%) | Prevalence mean II round (%) | Observed agreement mean, I round (%) | Observed agreement, mean, II round (%) | Kappa mean I round | Kappa mean II round | PABAK mean I round | PABAK mean II round | |
| Synovial hypertrophy (0–1) | 54 (29–75) | 85 (75–100) | 0.70 (0–0.9) | 0.71 (0–0.87) | 55 | 54 | 76 | 86 | 0.52 | 0.72 | 0.52 | 0.72 |
| Joint effusion (0–1) | 53 (44–66) | 82 (29–100) | 0.65 (−0.42 to 1) | 0.65 (−0.42 to 1) | 57 | 50 | 79 | 85 | 0.58 | 0.70 | 0.58 | 0.70 |
| Synovial hypertrophy score (0–3) | 30 (13–41) grade 1; 20 (13–31) grade 2; 17 (7–25) grade 3 | 65 (14–94) | 0.54 (−0.06 to 0.91) | 0.54 (−0.14 to 0.91) | 23 (grade1) 29 (grade 2) 19 (grade 3) | 37 (grade 1) 12 (grade 2) 15 (grade 3) | 63 | 78 | 0.51 | 0.68 | 0.51 | 0.70 |
| Power Doppler score (0–3) | 51 (50–67) grade 1; 30 (25–38) grade 2; 18 (0–25) grade 3 | 91 (75–100) | 0.85 (0.6–1) | 0.88 (0.66–1) | 50 (grade 1) 31 (grade 2) 19 (grade 3) | 51 (grade 1) 30 (grade 2) 17 (grade 3) | 90 | 89 | 0.84 | 0.83 | 0.86 | 0.85 |
| Osteophytes score (0–3) | 38 (28–44) grade 1; 29 (16–44) grade 2; 17 (6–34) grade 3 | 71 (31–94) | 0.60 (0.12–0.91) | 0.61 (0.08–0.91) | 38 (grade 1) 26 (grade 2) 16 (grade 3) | 37 (grade 1) 32 (grade 2) 18 (grade 3) | 60 | 69 | 0.46 | 0.59 | 0.47 | 0.59 |
PABAK, prevalence-adjusted bias-adjusted kappa.