Table 3 Clinical factors associated with all-cause mortality (univariate analysis)

BMI, kg/m²

0.92

0.88–0.96

<  0.001

Ever Smoker, Yes

0.897

0.55–1.46

0.897

CPFE, yes

0.995

0.75–1.32

0.972

NSCLC Stage ≥ III

3.68

2.69–5.03

<  0.001

ECOG

1.44

1.24–1.68

<  0.001

AE, Yes

2.91

1.73–4.91

<  0.001

GAP Score

1.50

1.33–1.70

<  0.001

Sex, Male

0.971

0.54–1.74

0.920

FVC, % Predicted

0.98

0.98–0.99

< 0.001

FEV₁, % Predicted

0.97

0.96–0.98

< 0.001

DLco, % Predicted

0.98

0.98–0.99

<  0.001

FEV₁/FVC, %

1.03

1.01–1.04

0.004

Time Gap between Diagnosis of IPF or CPFE and Diagnosis of NSCLC, months

1.00

1.00–1.01

0.265

 Adenocarcinoma

1.00

 Squamous cell carcinoma

0.93

0.69–1.26

0.647

 Others

1.68

1.10–2.55

0.016