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. 2015 Apr 13;10:767–774. doi: 10.2147/COPD.S76740

Table 1.

Baseline characteristics of 72 COPD exacerbation patients requiring emergency department admissions

Baseline characteristics (n=72)
Age, year 75.17±7.94
Male, n (%) 72 (100)
BMI, kg/m2 21.98±4.57
FEV1/FVC ratio, % 55.34±9.86
FEV1 % predicted normal, % 40.12±15.70
 GOLD 1, n (%) 1 (1.39)
 GOLD 2, n (%) 13 (18.06)
 GOLD 3, n (%) 43 (59.72)
 GOLD 4, n (%) 15 (20.83)
FVC% predicted normal, % 50.15±17.10
Tobacco use, pack-years 61.29±30.69
 Current smoker, n (%) 33 (45.8)
 Ex-smoker, n (%) 39 (54.2)
ICS + LABA, n (%) 58 (80.56)
Inhaled anticholinergics, n (%) 56 (77.78)
Oral corticosteroid, n (%) 14 (19.44)
Short term oral antibiotics, n (%) 7 (9.7)
Oral methylxanthines, n (%) 52 (72.22)
Anthonisen criteria ≥2, n (%) 52 (72.22)
WBC, 109/L 10.52±4.19
CRP, mg/L 34.97±48.02
PCT, ng/mL 0.2012±0.4315
Exacerbation in the sequential 1 year, n (exacerbation/person/year) 38 (0.52)

Abbreviations: BMI, body mass index; COPD, chronic obstructive pulmonary disease; CRP, C-reactive protein; FEV1, forced expiratory volume in the first second; FVC, forced vital capacity; GOLD, Global Initiatives for Chronic Obstructive Lung Disease; ICS, inhaled corticosteroids; LABA, long-acting beta-agonists; PCT, procalcitonin; WBC, white blood cell.