Table 2.
Correlation between MH cartilage grayscale values and clinical parameters in RA patients
| Parameter | r | 95%CI lower | 95%CI upper | P-value |
|---|---|---|---|---|
| Age (years) | 0.037 | -0.035 | 0.108 | 0.300 |
| Duration of disease (months) | 0.120 | 0.049 | 0.189 | 0.001 |
| BMI(kg/m2) | -0.136 | -0.205 | -0.065 | < 0.001 |
| CRP(mg/L) | -0.024 | -0.095 | 0.048 | 0.500 |
| Anti-CCP(U/ml) | 0.005 | -0.067 | 0.076 | 0.895 |
| RF(IU/ml) | 0.047 | -0.024 | 0.118 | 0.181 |
| DAS28-CRP | -0.040 | -0.111 | 0.031 | 0.255 |
CI: confidence interval; BMI: body mass index; CRP: c-reactive protein; Anti-CCP: anti-cyclic citrullinated peptide antibody; RF: rheumatoid factor; DAS28-CRP: disease activity score-28 with CRP