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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)