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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