From: Pirfenidone improves survival in IPF: results from a real-life study
HR
95% CI
P value
Centre
0.28
0.16, 0.48
P<0.0001
Gender
1.96
1.19, 3.22
P<0.008
Age
1.03
1.01, 1.05
P<0.002
FVC
0.97
0.96, 0.98