Table 5.
Independent predictors to rheumatoid arthritis: binary logistic regression model
| p* | Odds ratio | 95% CI | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Age | 0.348 | 1.032 | 0.966 | 1.104 |
| Time (months) from symptom onset | 0.061 | 0.928 | 0.857 | 1.004 |
| ESR (mm/h) | 0.918 | 0.998 | 0.958 | 1.039 |
| CRP > 0.5 mg/dL | 0.430 | 2.438 | 0.267 | 22.258 |
| ACPA (IU/mL) | 0.153 | 1.002 | 0.999 | 1.006 |
| GS US findings | 0.998 | 1.133 | 0.002 | 31.876 |
| PD US findings | 0.236 | 1.238 | 0.022 | 2.557 |
| PD synovitis | 0.573 | 2.017 | 0.176 | 23.121 |
| PD tenosynovitis | 0.039 | 6.982 | 1.106 | 44.057 |
Abbreviations: US ultrasound, PD power Doppler, ESR erythrocyte sedimentation rate, ACPA anti-citrullinated peptide antibody
*Multivariate analysis: odds ratio with confidence intervals