Skip to main content

Table 1 Baseline characteristics

From: Detecting exacerbations using the Clinical COPD Questionnaire

Baseline characteristics Patients with an exacerbation Patients without an exacerbation
No. of patients 69 34
Gender   
   male n (%) 42 (60) 20 (58.8)
Age, yr 67 ± 9.8 65 ± 11.1
Current smoker n (%) 19 (27) 7 (21)
Smoking pack years (IQR) 37 (15-50) 37.5 (1-43.3)
FEV1 (% of predicted) 46.0 ± 18.4 51.1 ± 21.0§
FEV1/FVC 0.44 ± 0.13 0.47 ± 0.12
GOLD Classification of COPD n (%)   
   stage I: mild 4 (5.8) 4 (11.8)
   stage II: moderate 24 (34.8) 10 (29,4)
   stage III: severe 27(39.1) 16 (47,1)
   stage IV: very severe 14 (20.3) 4 (11.8)
MRC dyspnea 3 (2-4) 3 (2-4)
Contact reason at inclusion n (%)   
   regular check-up 36 (51.4) 13 (38.2)
   emergency department 2 (2.9) 0 (0)
   during hospitalisation 14 (20) 5 (14.7)
   check-up after hospitalisation 1 (1.4) 1 (2.9)
   during pulmonary rehabilitation 16 (22.9) 15 (44.1)
  1. FEV1: Forced Expiratory Volume in 1 second; GOLD: Global inititiative for Chronic Obstructive Lung Disease; MRC: Medical research counsel. Data are presented as mean ± SD or median (interquartile range) or number with percentage in parenthesis. § p < 0.05