Table 2

Demographic and clinical characteristics

Included patients (n=932)
Male/female (%)66/34
Smokers*/non-smokers (%)33/67
Age (year)66.4±8.3
BMI (kg/m2)26.3±5.4
FEV1% predicted50.8±20.5
GOLD 1-2-3-4 (%)10-40-32-18
MMRC 0-1-2-3-4 (%)14-27-22-18-6
  • Data in the table are expressed as percentages, or means±SD.

  • *Current or ex-smokers with a smoking history ≥10 pack-years.

  • Non-smokers with a smoking history of ≤ 1 pack-year.

  • ‡MMRC data for 805 patients.

  • BMI, body mass index; GOLD, Global Initiative for Chronic Obstructive Lung Disease; MMRC, Modified Medical Research Council.