TABLE 5.

Multivariate analysis using Cox proportional hazards model for predicting independent predictors of worse outcome in male patients with fibrosing interstitial lung disease (n=61)

	Hazard ratio	95% CI	p-value
Age years	1.005	0.943–1.072	0.868
Smoking history (yes)	1.257	0.156–10.100	0.830
KL-6	0.999	0.998–1.001	0.228
%FVC	0.964	0.930–0.999	0.043
ATX >0.721 mg ·L−1	8.295	1.049–65.558	0.045

KL-6: Krebs von den Lungen-6; FVC: forced vital capacity; ATX: autotaxin.