Intraobserver and interobserver results of the static, web-based, exercise on the MTP 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_MTP | Interobserver agreement of the static exercise_MTP | |||||||||||
| 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) | 64 (45–80) | 82 (52–94) | 0.61 (0.03–0.87) | 0.63 (0.05–0.87) | 61 | 68 | 75 | 81 | 0.49 | 0.58 | 0.51 | 0.57 |
| Joint effusion (0–1) | 63 (47–77) | 84 (30–100) | 0.67 (−0.35 to 1) | 0.68 (−0.39 to 1) | 65 | 61 | 81 | 78 | 0.61 | 0.56 | 0.63 | 0.57 |
| Cartilage damage (0–1) | 63 (46–79) | 84 (64–100) | 0.64 (0.22–1) | 0.68 (0.28–1) | 65 | 63 | 82 | 83 | 0.60 | 0.63 | 0.64 | 0.65 |
| Synovial hypertrophy score (0–3) | 35 (28–45) grade 1; 28 (20–38) grade 2; 12 (5–21) grade 3 | 60 (52–94) | 0.60 (0.19–0.79) | 0.46 (0.05–0.87) | 27 (grade 1) 30 (grade 2) 20 (grade 3) | 44 (grade 1) 26 (grade 2) 5 (grade 3) | 63 | 68 | 0.51 | 0.53 | 0.51 | 0.57 |
| Power Doppler score (0–3) | 19 (15–20) grade 1; 29 (25–35) grade 2; 21 (20–25) grade 3 | 93 (85–100) | 0.90 (0.79–1) | 0.90 (0.8–1) | 19 (grade 1) 29 (grade 2) 22 (grade 3) | 19 (grade 1) 29 (grade 2) 22 (grade 3) | 91 | 92 | 0.88 | 0.89 | 0.88 | 0.89 |
| Osteophytes score (0–3) | 38 (19–44) grade 1; 28 (18–38) grade 2; 9 (0–25) grade 3 | 78 (50–100) | 0.70 (0.33–1) | 0.71 (0.33–1) | 34 (grade 1) 32 (grade 2) 6 (grade 3) | 41 (grade 1) 24 (grade 2) 9 (grade 3) | 79 | 83 | 0.70 | 0.69 | 0.72 | 0.62 |
MTP, metatarsophalangeal; PABAK, prevalence-adjusted bias-adjusted kappa.