TABLE 3.
UNIVARIATE LOGISTIC REGRESSION MODELS OF VARIABLES PREDICTING A DIAGNOSIS OF IDIOPATHIC PULMONARY FIBROSIS
| OR (95% CI) | P Value | |
|---|---|---|
| Age | 1.11 (1.06, 1.16) | <0.0001 |
| Male sex | 1.96 (0.92, 4.19) | 0.08 |
| Ever smoker | 1.28 (0.58, 2.80) | 0.54 |
| HRCT score | ||
| HRCT alveolar score | 0.61 (0.43, 0.87) | 0.007 |
| HRCT interstitial score | 17.20 (5.41, 54.70) | <0.0001 |
| Pulmonary function | ||
| FVC % predicted | 0.18 (0.02, 1.59) | 0.12 |
| DLCO % predicted | 0.48 (0.04, 6.01) | 0.57 |
| 6MWT Variables | ||
| Desaturation <88% | 0.63 (0.20, 1.93) | 0.41 |
| Distance per 1,000 ft | 1.06 (0.35, 3.26) | 0.91 |
Definition of abbreviations: CI = confidence interval; DlCO = diffusion capacity for carbon monoxide; HRCT = high-resolution computed tomography scan of the chest; OR = odds ratio; 6MWT = 6-minute walk test.