From: Pirfenidone improves survival in IPF: results from a real-life study
HR
95% CI
P value
Centre
0.28
0.14,0.54
P < 0.0001
Gender
1.72
0.94,3.16
P < 0.077
Age
1.02
1.00,1.05
P < 0.033
FVC
0.97
0.96,0.98