Table 1

Patient age, gender and baseline values for various pulmonary function indices in two cohorts of patients with idiopathic pulmonary fibrosis

VariableCohort 1 (n=103)Cohort 2 (n=108)
Median age (years)67 (60–73)65 (58–71)
Male/female (numbers)85/1880/28
Alive/dead (numbers)33/7052/56*
Mean CT time interval (years)1.1±0.41.0±0.4*
Antifibrotic use (Y/N)33/7074/34**
Definite UIP pattern on CT (Y/N)45/5832/76*
Baseline FVC (% predicted)74.3±20.075.9±19.6
Baseline DLco (% predicted)41.3±12.248.2±14.4
Baseline CPI (% predicted)50.6±11.446.2±12.3
  • Data represent mean values with SDs or medians with IQRs unless otherwise indicated.

  • *P<0.05, **P<0.001.

  • CPI, Composite Physiological Index; DLco, diffusion capacity for carbon monoxide; FVC, forced vital capacity; N, no; UIP, usual interstitial pneumonia; Y, yes.