Table 4.
Survival analysis in anti-MDA5-associated RP-ILD.
| Hazard ratio | 95% CI | P value | |
|---|---|---|---|
| Univariate | |||
| Age at onset ≥ 57 years | 11.79 | (1.49-93.37) | 0.019 |
| CRP ≥ 28.9 mg/L | 6.32 | (1.56-25.67) | 0.010 |
| LY < 0.7 × 109/L | 4.80 | (1.22-18.92) | 0.025 |
| Periungual erythema | 0.17 | (0.02-1.32) | 0.090 |
| PaO2 ≤ 60 mmHg | 1.78 | (0.38-8.40) | 0.467 |
| Ferritin | 1.00 | (1.00-1.00) | 0.064 |
| Multivariate | |||
| Age at onset ≥ 57 years | 18.54 | (1.51-227.94) | 0.023 |
| CRP ≥ 28.9 mg/L | 6.10 | (0.92-40.48) | 0.061 |
| LY < 0.7 × 109/L | 4.59 | (0.75-27.97) | 0.098 |
| Periungual erythema | 0.08 | (0.01-0.96) | 0.046 |
| PaO2 ≤ 60 mmHg | 9.74 | (0.98-97.08) | 0.052 |
Abbreviations: MDA5: melanoma differentiation-associated gene 5; LY: lymphocytes; CRP: C-reactive protein; 95% CI: 95% confidence interval.