Fig. 3
From: Impaired diversity of the lung microbiome predicts progression of idiopathic pulmonary fibrosis
Scatter plots show the correlations of the relative abundance of Firmicutes with (a) 6MWD and (b) serum SP-D. In each case, linear regression lines have been fitted. Spearman’s test. ρ: Spearman rank-correlation coefficient, *: p < 0.05, **: p < 0.01
