Table 3.
Means and mean difference between posttreatment DAS28‐CRP and DAS28‐ESR by gender, age, and severity
| Characteristic | DAS28‐ESR | DAS28‐CRP |
Mean Difference (95% CI; n) |
P value |
|---|---|---|---|---|
| Overall | 2.70 | 2.04 | 0.66 (0.56‐0.76; 151) | .000 |
| Gender | ||||
| Male | 2.67 | 2.17 | 0.51 (0.35‐0.68; 51) | .000 |
| Female | 2.71 | 1.98 | 0.73 (0.60‐0.86; 100) | .000 |
| Age | ||||
| ≤50 years | 2.78 | 2.11 | 0.67 (0.50‐0.83; 58) | .000 |
| >50 years | 2.65 | 2.00 | 0.65 (0.52‐0.78; 93) | .000 |
| Severity | ||||
| Remission (<2.6) | 1.81 | 1.45 | 0.36 (0.22‐0.50; 79) | .000 |
| LDA (2.6 to ≤3.2) | 2.80 | 1.79 | 1.01 (0.85‐1.18; 25) | .000 a |
| MDA (3.2 to ≤5.1) | 3.91 | 2.96 | 0.95 (0.95‐0.80; 41) | .000 |
| HDA (>5.1) | 5.73 | 4.66 | 1.07 (0.96‐1.17; 6) | .000 a |
Abbreviations: CI, confidence interval; CRP, C‐reactive protein; DAS28, Disease Activity Scores 28‐joint count; ESR, erythrocyte sedimentation rate; HDA, high disease activity; LDA, low disease activity; MDA, medium disease activity; n, number of paired scores.
a
Low samples.