Table 4.
Multivariable Regression Model
| Predictor | OR | 95% CI | P |
|---|---|---|---|
| Male Gender | 1.01 | 0.53–1.92 | 0.98 |
| Age, per 5 years | 1.10 | 0.92–1.32 | 0.31 |
| Ground Glass* | 0.55 | 0.34–0.89 | 0.02 |
| Reticular Densities* | 2.93 | 1.55–5.56 | 0.001 |
*
The average HRCT whole-lung composites for each HRCT finding, on a scale of 0–4, were the predictor variables of interest; cited OR corresponds to an increase in the whole-lung composite score by 1.
Abbreviations: HRCT high resolution computed tomography, IPF idiopathic pulmonary fibrosis