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Table 1 Baseline characteristics of the Study Subjects *

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

  COPD group (n = 26) Healthy smoker
group (n = 10)
Healthy non-smoker
group (n = 13)
Height (cm) 164.54 ± 6.08 (165) 167.56 ± 6.60 (170) 169.54 ± 5.94 (169)
Age (year) 63.50 ± 19.75 (71) 52.70 ± 12.33 (51) 54.85 ± 11.42 (54)
Weight (kg) 63.31 ± 11.61 (61) 68.50 ± 14.49 (74) 68.00 ± 7.92 (70)
FVC_volume (L) 2.68 ± 0.92 (2.36) 4.09 ± 0.68 (4.01) 3.92 ± 0.72 (3.82)
FVC% 86 ± 20 (89) 121 ± 21 (116) 113 ± 21 (114)
FEV1_volum (L) 1.35 ± 0.63 (1.20) 3.34 ± 0.55 (3.38) 3.00 ± 0.77 (2.90)
FEV1% 55 ± 19 (50) 124 ± 21 (115) 109 ± 27 (112)
FEV1/FVC% 50 ± 12 (50) 82 ± 5 (80) 76 ± 6 (79)
Smoking(pack-years) 33.46 ± 17.19(30) 36.5 ± 18.11(35) 0
Sex (M/F) 21/5 8/2 9/4
White blood cell counts in peripheral blood(109) 7.12 ± 2.56(6.95) 7.06 ± 2.44(6.90) 6.88 ± 2.66(6.73)
Medication (No)    
Oral corticosteroid 0 0 0
Inhaled corticosteroid 3 0 0
Short-acting beta-adrenergic-receptor agonist 4 0 0
Theophyline 0 0 0
Oxygen 1 0 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)