Table 2.

Association of BALF esRAGE levels with pulmonary function parameters and differential cell counts in BALF (n = 57)

Variables	rs	P-value
Pulmonary function parameters
FVC, % predicted	−0.025	0.853
DLco, % predicteda	0.406	0.002*
Differential cell counts in BALF
Total cell, × 104/ml	−0.002	0.990
Macrophage, %	0.060	0.667
Macrophage, × 104/ml	0.016	0.907
Lymphocyte, %	0.125	0.369
Lymphocyte, × 104/ml	0.160	0.247
Neutrophil, %	−0.049	0.727
Neutrophil, × 104/ml	− 0.022	0.877
Eosinophil, %	−0.117	0.400
Eosinophil, × 104/ml	−0.063	0.650

* p < 0.05 Spearman’s rank correlation coefficient

^aDLco was measured in 55 of 57 patients with IPF

esRAGE endogenous secretory receptor for advanced glycation end products, BALF bronchoalveolar lavage fluid, DLco diffusing capacity for carbon monoxide, FVC forced vital capacity