Table 1– Patient characteristics on admission
Age years59.9±0.6
 <4021 (5)
 40–4956 (14)
 50–59126 (31)
 60–69122 (30)
 >7077 (20)
BMI kg·m−226.7±0.3
 <18.528 (7)
 18.6–25.0131 (33)
 25.1–30.0127 (32)
 >3099 (25)
 NA17 (3)
Underlying disease
 Idiopathic pulmonary fibrosis202 (50)
 Nonspecific interstitial pneumonia/cryptogenic organising pneumonia21 (5)
 Hypersensitivity pneumonitis59 (15)
 Sarcoidosis50 (12)
 Connective tissue disease24 (6)
 Radiogenic/drug induced11 (3)
 Asbestosis/silicosis/beryliosis4 (1)
 Other31 (8)
Sex
 Male203 (50)
 Female199 (50)
Smoking status
 Never-smoker200 (50)
 Ex-smoker165 (41)
 Continuing smoker12 (3)
 NA25 (6)
Long-term oxygen therapy
 Yes321 (80)
 No62 (15)
 NA19 (5)
Vital capacity % pred54±1
 >9024 (6)
 70–8964 (16)
 50–69124 (31)
 <50190 (47)
Signs of pulmonary hypertension
 No286 (71)
 Yes111 (28)
 NA5 (1)
Listed for lung transplantation
 Yes299 (74)
 No103 (26)
  • Data are presented as mean±sem or n (%). BMI: body mass index; NA: not available. n = 402.