Table 4– Interstitial lung disease for selected characteristics by computed tomography patterns
RB-like patternOCIP- and UIP-like patternsp Heterogeneity
Age (10 yrs)0.51 (0.32–0.84)2.06 (0.94–4.51)0.002
Sex
 Female11
 Male1.12 (0.70–1.77)2.71 (0.90–8.15)0.136
Smoking status
 Former smokers11
 Current smokers3.35 (1.70–6.58)2.29 (0.80–6.60)0.545
Number of cigarettes·day−1 (10 units)1.10 (0.89–1.37)1.18 (0.81–1.73)0.734
Number of smoking yrs (10 yrs)1.36 (0.91–2.04)1.17 (0.60–2.26)0.687
  • Data are presented as odds ratio (95% confidence interval), estimated with polychotomous logistic regression models including all the variables listed in the table. RB: respiratory bronchiolitis; OCIP: other chronic interstitial pneumonia; UIP: usual interstitial pneumonia.