Correlation coefficients between clinical variables (95% confidence interval) at all times; p<0.01. Values are given for the whole group (n=155) because no differences were found between the two treatment groups
| IgM RF | IgA RF | |
|---|---|---|
| CRP, C reactive protein; ESR, erythrocyte sedimentation rate; IgM RF and IgA RF, IgM and IgA rheumatoid factor; TJC, tender joint count; SJC, swollen joint count. | ||
| IgA RF | 0.86 (0.82 to 0.90) | |
| ESR | 0.38 (0.31 to 0.45) | 0.40 (0.33 to 0.47) |
| CRP | 0.45 (0.38 to 0.51) | 0.47 (0.41 to 0.54) |
| TJC | 0.13 (0.05 to 0.20) | 0.14 (0.07 to 0.22) |
| SJC | 0.14 (0.07 to 0.22) | 0.12 (0.04 to 0.20) |