Table 2.

Univariate regression analysis of overall survival for IPF patients.

Variables	B value	SE	P values	Relative risk (95%CI)
Age	0.011	0.007	0.084	1.011 (0.998–1.025)
Gender	0.023	0.166	0.889	1.024 (0.740–1.417)
Smoking	0.003	0.137	0.056	1.021 (1.012–1.117)
FEV1 (%pred)	0.006	0.008	0.449	1.006 (0.991–1.021)
FVC (%pred)	−0.327	0.131	0.012	0.721 (0.558–0.932)
TLC (%pred)	−0.007	0.004	0.110	0.993 (0.985–1.002)
DLCO (%pred)	0.008	0.003	0.009	1.008 (1.002–1.014)
FEV1/FVC (%)	0.025	0.007	0.002	0.846 (1.023–1.108)
BAL macrophage	−0.028	0.008	0.021	0.997 (0.959–0.989)
BAL neutrophil	−0.009	0.004	0.016	0.991 (0.983–0.998)
BAL eosinophil	−0.016	0.019	0.391	0.984 (0.947–1.021)
BAL lymphocyte	0.024	0.010	0.015	1.024 (1.005–1.044)
PAH	0.355	0.160	0.027	1.426 (1.042–1.951)
Hypoxemia	−0.356	0.119	0.003	0.7 (0.555–0.884)
Hydropower	0.459	0.162	0.005	1.582 (1.152–2.173)
GER	0.251	0.188	0.182	1.285 (0.889–1.857)
Arterial hypertension	0.014	0.145	0.923	1.014 (0.763–1.348)
Diabetes	0.070	0.146	0.632	1.072 (0.806–1.427)