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Table 2 Baseline characteristics of the COPD subgroup Subjects *

From: Histone deacetylase activity is decreased in peripheral blood monocytes in patients with COPD

 

Smoke 40 pack-year(n = 13)

Smoke < 40 pack-year(n = 23)

Height (cm)

163.00 ± 6.02(163.00)

166.52 ± 6.17(167.00)

Age (year)

68.31 ± 11.11(74.00)

56.09 ± 20.50(61.00)

Weight (kg)

66.08 ± 12.70(60.00)

64.00 ± 12.58(65.00)

FVC_volume (L)

2.73 ± 0.96(2.36)

3.26 ± 1.10(3.38)

FVC%

92 ± 22(95)

98 ± 27(100)

FEV1_volum (L)

1.62 ± 0.84(1.32)

2.06 ± 1.20(1.43)

FEV1%

70 ± 31(63)

76 ± 41(59)

FEV1/FVC%

45.80 ± 30.02(30.00)

48.21 ± 24.77(32.40)

Smoking(pack-years)

53.85 ± 7.68(60.00)

23.26 ± 9.37(30.00)

Sex (M/F)

11/2

20/3

Medication (No)

  

Oral corticosteroid

0

0

Inhaled corticosteroid

2

1

Short-acting beta-adrenergic-receptor agonist

2

2

Theophylline

0

0

Oxygen

1

0

  1. *COPD denotes chronic obstructive pulmonary disease, FEV 1 forced expiratory volume in one second, FVC forced vital capacity, pack-years the number of cigarettes smoked per day, or 20 cigarettes, multiplied by the number of years of smoking. Plus-minus values are means ± SE(Mediam)