TABLE 2

Descriptive statistics by stable/slow idiopathic pulmonary fibrosis (IPF) progressor and rapid IPF progressor groups

Stable/slow progressionRapid progressionp-value
Subjects105
Age (years)67.5 (62.5–72.5)62.0 (61.0–68.0)0.41#
Male5 (50)4 (80)0.26
Ever-smoker3 (30)5 (100)0.010
Antifibrotic therapy
 Nintedanib5 (50)0 (0)0.12
 Pirfenidone4 (40)3 (60)
 None1 (1)2 (40)
FVC % pred78.5 (75.5–82.5)76.0 (63.0–82.0)0.41#

Data are presented as n, median (interquartile range) or n (%), unless otherwise stated. FVC: forced vital capacity. #: Wilcoxon rank sum test; : Pearson Chi-squared test.