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Fig. 4 | Respiratory Research

Fig. 4

From: Serum surfactant protein D as a predictive biomarker for the efficacy of pirfenidone in patients with idiopathic pulmonary fibrosis: a post-hoc analysis of the phase 3 trial in Japan

Fig. 4

Effect of pirfenidone on relative changes in serum concentrations of a SP-D, b SP-A and c KL-6 from baseline. Blue lines, pirfenidone; black lines, placebo. Mean ± SE. The comparison between the pirfenidone and placebo groups was performed using the Wilcoxon rank-sum test: *p < 0.05, **p < 0.01

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Respiratory Research

ISSN: 1465-993X

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