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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.