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Table 1 Characteristics of the patients. Values expressed as mean ± SD and (range), n = 93.

From: Peak exercise capacity estimated from incremental shuttle walking test in patients with COPD: a methodological study

Gender, male/female 26/67   
Smoking habits, current/ex 23/70   
Age, years 64 ± 7 (43–80)
Weight, kg 65.4 ± 13.2 (42–101)
BMI, kg/m2 23.4 ± 4.3 (14.5–34.9)
Packyears 36 ± 21 (8–120)
VC, liters 2.6 ± 0.9 (1.3–6.1)
VC, % predicted 67 ± 16 (40–121)
FEV1, liters 0.9 ± 0.3 (0.4–1.7)
FEV1, % predicted 32 ± 11 (14–59)
MVV, liters/min 33.5 ± 12.7 (15.0–66.7)
MVV, % predicted 46 ± 12 (16–83)
DLCO, μmol/sec/kPa 57.2 ± 22.4 (16.2–127)
DLCO, % predicted 50 ± 18 (15–106)
  1. BMI: body mass index; VC: vital capacity; FEV1: forced expiratory volume in one second; MVV: maximum voluntary ventilation; DLCO: carbon monoxide diffusion capacity.