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Table 1 Subject characteristics (n = 32)

From: Influence of resting lung diffusion on exercise capacity in patients with COPD

  Mean ± SD Range
Age (years) 66 ± 9 46 - 84
% Female 47 -
Weight (Kg) 88 ± 23 36 - 155
BMI (Kg/m2) 30 ± 6 13 - 44
Smoking history (pack year) 35 ± 29 0 - 120
Current/former/never smoker (n) 6/22/4 -
GOLD Classification (1–4) 2.3 ± 0.8 1 - 4
St George Respiratory Questionnaire 44 ± 21 8 - 84
Inhaled beta agonist (%) 97 -
Inhaled anticholinergic (%) 59 -
Inhaled steroid (%) 68 -
Oral steroid (%) 20 -
  1. GOLD Global Initiative for Chronic Obstructive Lung Disease classification for air flow obstruction