Table 4– Comparison of survival between patient groups using Cox’s proportional hazards regression analysis model#
Hazard ratio95% CIp-value
DAD2.8921.134–0.3760.026
Bronchiectasis0.1580.063–0.400<0.001
NSIP0.1160.028–0.4770.003
OP0.3530.085–1.4620.151
Bronchiolitis0.2470.077–0.7990.020
Combined0.5010.244–1.0300.060
  • DAD: diffuse alveolar damage; NSIP: nonspecific interstitial pneumonia; OP: organising pneumonia. #: with usual interstitial pneumonia as reference disease.