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Table 5 Cox regression analysis for predictors of survival in patients with idiopathic pulmonary fibrosis

From: Prevalence, risk factors, and impact of lung Cancer on outcomes of idiopathic pulmonary fibrosis: a study from the Middle East

Variables

Hazard Ratio

95% CI

P

Gender

0.615

0.318–1.192

0.150

Age

1.015

0.991–1.040

0.224

Smoking

2.114

1.370–5.118

0.004

Pack/year

0.998

0.968–1.029

0.880

FVC (% pred)

1.018

0.964–1.001

0.057

FEV1(% pred)

1.008

0.957–1.062

0.766

TLC (% pred)

0.702

0.956–1.014

0.298

DLCO (% pred)

1.148

0.319–4.966

0.067

Lung cancer

5.431

2.186–13.492

0.000

  1. CI confidence interval, FVC forced vital capacity, % pred; percentage of predicted value, FEV1 forced expiratory volume in 1 s, TLC total lung capacity, DLCO diffusing capacity of the lung for carbon monoxide