Table 2 Intraclass correlation of different observer derived joint counts at baseline and follow up visit.
From: Value of self-performed joint counts in rheumatoid arthritis patients near remission
Biometrician versus Patient | Physician versus Patient | |||
|---|---|---|---|---|
Biometrician ICC (95% CI) | Independent physician ICC (95% CI) | |||
Patient derived Joint counts | Baseline | Follow-up | Baseline | Follow-up |
TOTAL | N = 209 | N = 144 | N = 209 | N = 144 |
Swollen Joint Count 28 | 0.30 (0.18- 0.42) | 0.38 (0.23-0.51) | 0.35 (0.22-0.46) | 0.43 (0.28-0.55) |
Tender Joint Count 28 | 0.70 (0.62-0.76) | 0.71 (0.62-0.79) | 0.80 (0.74-0.84) | 0.82 (0.76-0.87) |
UNTRAINED PATIENTS | N = 131 | N = 87 | N = 131 | N = 87 |
Swollen Joint Count 28 | 0.32 (0.15-0.46) | 0.33 (0.13-0.51) | 0.39 (0.23-0.52) | 0.41 (0.22-0.57) |
Tender Joint Count 28 | 0.75 (0.66-0.81) | 0.72 (0.60-0.81) | 0.85 (0.80-0.90) | 0.81 (0.72-0.87) |
TRAINED PATIENTS | N = 78 | N = 57 | N = 78 | N = 57 |
Swollen Joint Count 28 | 0.35 (0.14-0.53) | 0.50 (0.28-0.67) | 0.33 (0.12-0.51) | 0.48 (0.25-0.66) |
Tender Joint Count 28 | 0.59 (0.42-0.72) | 0.72 (0.56-0.82) | 0.66 (0.51-0.77) | 0.84 (0.74-0.90) |
Physician derived Joint counts | Baseline | Follow-up | ||
Swollen Joint Count 28 | 0.95 (0.93-0.96) | 0.90 (0.87-0.93) | 1 | 1 |
Tender Joint Count28 | 0.86 (0.82-0.89) | 0.89 (0.85-0.92) | 1 | 1 |