Table 1

Description of sociodemographic and clinical characteristics of 17 154 subjects with COPD by cohort

CLIPCOPDCOPDGeneECLIPSEICECOLDERICLEUVENLifeLinesLovelaceLHSNJHPAC-COPD
Italy, n=367USA, n=4471Europe and USA, n=2094Switzerland and The Netherlands, n=403Belgium, n=548The Netherlands, n=5198Southwestern USA, n=539USA, n=3132Colorado USA, n=60Spain, n=342
Age (years)68.3 (8.9)57.1 (8.6)63.4 (7.1)67.3 (9.9)67.7 (8.6)53.2 (9.1)60.4 (8.8)49.3 (6.6)72.5 (10.0)67.9 (8.6)
Sex: male, %80566657764834645393
Smoking: current, %35433638432856100735
FEV1 (% predicted)63.9 (24.0)57.4 (22.8)43.9 (15.0)55.4 (16.7)49.8 (18.7)90.8 (14.8)72.8 (18.9)76.8 (9.0)37.7 (15.1)52.3 (16.2)
FEV1/FVC (%)53.5 (11.4)52.2 (13.4)44.6 (11.5)51.8 (11.8)45.2 (12.0)64.7 (5.6)59.8 (9.3)63.1 (5.3)54.1 (10.0)53.4 (12.0)
FVC (%predicted)93.8 (24.7)81.9 (20.4)79.6 (19.9)87.3 (19.6)45.2 (12.0)115.7 (15.8)92.7 (17.4)95.7 (10.4)65.2 (19.3)72.6 (16.4)
BMI (kg/m2)26.3 (4.7)27.9 (6.1)26.5 (5.6)26.1 (5.2)24.9 (5.2)25.9 (3.7)26.8 (5.9)25.5 (3.8)27.4 (8.3)28.2 (4.7)
MMRC (0–4)2.1 (1.0)1.9 (1.5)1.7 (1.1)1.9 (1.5)1.9 (1.1)0.3 (0.7)1.3 (1.2)0.5 (0.7)2.9 (0.9)1.7 (1.2)
Asthma, %123224013258767
CVD, %452022203852812325
  • Values are mean (SD) unless otherwise noted.

  • BMI. body mass index; CVD, cardiovascular disease; MMRC, Modified Medical Research Council.