Table 2.
Predictive value of acute exacerbation in patients with idiopathic pulmonary fibrosis identified by logistic regression analysis.
| Variable | Odds ratio | 95% CI | p value |
|---|---|---|---|
| Age (years) | 1.057 | 0.994–1.123 | 0.075 |
| Male | 7.037 | 0.777–63.699 | 0.083 |
| Smoker | 0.541 | 0.210–1.393 | 0.203 |
| CRP | 1.039 | 1.013–1.064 | 0.002∗∗ |
| LDH | 1.035 | 1.017–1.053 | <0.001∗∗∗ |
| FVC% predicted | 0.950 | 0.908–0.993 | 0.024∗ |
| DLCO% predicted | 0.929 | 0.878–0.983 | 0.010∗ |
| OPN (ng/ml) | 1.305 | 1.087–1.567 | 0.004∗∗ |
| KL-6 (U/ml) | 1.001 | 1.000–1.002 | 0.010∗ |
∗ p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001. The data are shown as the OR with the 95% CI. OR, odds ratio; CI, confidence interval.