Multiple regression results for gas transfer (DLCO)
| Beta | B | 95% CI for B | P value | R2 | ||
| Lower | Upper | |||||
| Model | 0.30 | |||||
| Constant | – | 37.1 | 23.3 | 50.8 | <0.0005 | |
| Age | −0.25 | −0.20 | −0.38 | −0.012 | 0.037 | |
| Pack-years exposure | 0.01 | 0.001 | −0.03 | 0.03 | 0.969 | |
| Asbestos exposure | −0.20 | −0.08 | −0.16 | 0.01 | 0.072 | |
| Fibrosis sum | −0.36 | −0.50 | −0.83 | −0.18 | 0.003 | |
| Emphysema sum | −0.27 | −0.35 | −0.65 | −0.04 | 0.026 | |
B, unstandardised regression coefficient; Beta, standardised coefficient; DLCO, diffusion of carbon monoxide; R2, coefficient of determination.