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Table 1 Patient characteristics

From: Increased difference between slow and forced vital capacity is associated with reduced exercise tolerance in COPD patients

Characteristics

Data

Male

97

Age, yr

64±8

Weight, kg

70.37±10.68

VC, L

2.72±0.72

FVC, L

2.56±0.74

VC-FVC, † L

0.11 (0.02-0.24)

FEV1, L

1.31±0.54

FEV1, % predicted

48.85±18.13

FEV1/FVC, %

50.44±10.69

Peak VO2, ml/min/kg

14.45±4.92

Peak work rate, watts

71.98±34.98

Peak HR, beats/min

128±16

  1. Data with normal distribution are presented as mean ± SD.
  2. †: Expressed as median (interquartile range).
  3. VC = vital capacity; FVC = forced vital capacity; FEV1 = forced expiratory volume in one second; VC-FVC = difference between VC and FVC; VO2 = oxygen uptake; HR = heart rate.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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