Table 1 Clinical features of patients.

From: Metabolic changes of H2S in smokers and patients of COPD which might involve in inflammation, oxidative stress and steroid sensitivity

Characteristics

Nonsmokers (n = 11)

Smokers (n = 7)

COPD (n = 6)

Age,yr

59.8 ± 10.7

59.9 ± 16.3

66.2 ± 6.9

Pack-y†

0

20(15.4–32.5)

37.5(17.5–67.6)

Height,cm

161.0 ± 7.3

171.5 ± 4.9

166.3 ± 8.3

Weight,kg

63.2 ± 6.7

69.3 ± 11.3

59.8 ± 7.2

FEV1,%predicted

94.0 ± 14.8

91.5 ± 14.7

65.7 ± 20.3*,#

FVC,%predicted

92.8 ± 13.9

87.7 ± 14.7

85.2 ± 15.2

FEV1/FVC,%

79.6 ± 4.4

83.0 ± 6.4

59.0 ± 10.6*,#

  1. Data are presented as mean ± SD unless otherwise indicated.
  2. †presented as median (25–75th centile).
  3. *P < 0.05 compared to Nonsmokers.
  4. #P < 0.05 compared to Smokers. FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.
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