| Univariate analysis | Multivariate analysis |
---|
Sex | P = 0.073 | P = 0.056 |
Age | P < 0.001 | P = 0.007 |
Smoking status | P = 0.528 | P = 0.277 |
BALF SP-A level | P = 0.405 | P = 0.082 |
BALF SP-D level | P = 0.001 | P = 0.016 |
- The SP-D level in BALF of IPF patients was significantly decreased compared to SAR patients with univariate and multivariate analysis. IPF, idiopathic pulmonary fibrosis; SAR, sarcoidosis; BALF, bronchoalveolar lavage fluid; SP-A, surfactant protein A; SP-D, surfactant protein D.