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Figure 1

From: Efficacy of low dose pirfenidone in idiopathic pulmonary fibrosis: real world experience from a tertiary university hospital

Figure 1

(a) Distribution of pirfenidone dose (mg/day). (bd) Scatter plot showing the relationship among age, body mass index, body surface area, and pirfenidone dose. Age and pirfenidone dose were negatively correlated (Pearson’s correlation efficiency, σ = − 0.302, p < 0.001). Body mass index, body surface area, and pirfenidone dose were positively correlated (Pearson's correlation efficiency, σ = 0.201, p = 0.017; Pearson's correlation efficiency, σ = 0.359, p < 0.001, respectively).

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