Table 2 Univariate and multivariate linear mixed model (LMM) analysis evaluating lung function parameters as explanatory variables of PaO2, including adjustment by "year at testing"
From: Long-term gas exchange characteristics as markers of deterioration in patients with cystic fibrosis
| Â | LMM univariate analysis adjusted for age and test year | ||
|---|---|---|---|
| Â | Coefficient | 95 % CI | p |
FRCpleth(SDS) | -1.641 | -1.907 to -1.376 | < 0.0001 |
LCI (SDS) | -0.338 | -0.403 to -0.272 | < 0.0001 |
VTG (SDS) | -1.209 | -1.471 to -0.947 | < 0.0001 |
sReff (SDS) | -0.517 | -0.599 to -0.434 | < 0.0001 |
FEV1 (SDS) | 1.126 | 0.991 to 1.261 | < 0.0001 |
FEF50 (SDS) | 0.586 | 0.507 to 0.664 | < 0.0001 |
BMI (SDS) | 1.374 | 0.922 to 1.825 | < 0.0001 |
| Â | LMM multivariate analysis with backward elimination procedure* | ||
| Â | Coefficient | 95 % CI | p |
FRCpleth(SDS) | -0.868 | -1.180 to -0.5555 | < 0.0001 |
LCI (SDS) | -0.125 | -0.191 to -0.058 | < 0.0001 |
sReff (SDS) | -0.123 | -0.225 to -0.021 | 0.019 |
FEV1 (SDS) | 0.511 | 0.284 to 0.738 | < 0.0001 |
FEF50 (SDS) | 0.161 | 0.0412 to 0.281 | 0.008 |