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Table 2 Basic characteristics of the COPD population at follow-up visit 4 weeks after exacerbation onset

From: Accelerated extracellular matrix turnover during exacerbations of COPD

Variable Patients (n = 69)
Age (years), median (IQR) 67 (61–75)
Female sex, n (%) 20 (29)
BMI (kg/m2) 25.7 (6.3)
Current smokers, n (%) 31 (45)
Smoking pack years (years) 52 (26)
Length of hospitalisation (days), median (IQR) 3 (2–6)
FEV1 (liters) 1.19 (0.50)
FEV1 (% of predicted) 45.8 (16.1)
FVC (liters) 2.55 (0.81)
FVC (% of predicted) 77.5 (19.0)
FEV1/FVC ratio 0.46 (0.11)
6MWD (meters) 166 (119)
MRC dyspnoea score, median (IQR) 4 (3–4)
  1. Variables are listed as mean (standard deviation) unless otherwise stated. IQR, interquartile range; BMI, body mass index; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; 6MWD, 6 min walking distance; MRC, Medical Research Council