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Table 2 Characteristics associated with chronic obstructive pulmonary disease (COPD) patients (n = 1567) identified in general practice and currently in inhaled corticosteroid (ICS) treatment stratified by frequency of exacerbations (0, 1 or ≥ 2 annual exacerbations)

From: COPD patients prescribed inhaled corticosteroid in primary care: time for re-assessment based on exacerbation rate and blood eosinophils?

 

0 exacerbations per year (n = 849)

1 exacerbation per year (n = 383)

≥ 2 exacerbations per year (n = 328)

BMI (kg/\({\mathrm{m}}^{2}\)), mean

27.15 (SD 5.99)

27.17 (SD 6.12)

26.28 (SD 6.76)

Pack-years, mean

30.49 (SD 20.89)

36.04 (SD 22.97)

36.90 (SD 20.45)

\({\mathrm{FEV}}_{1}/\mathrm{FVC}\), mean

0.60 (SD 0.14)

0.57 (SD 0.15)

0.53 (SD 0.15)

\({\mathrm{FEV}}_{1}\)%predicted (%), mean

64.71 (SD 23.52)

57.10 (SD 22.58)

51.43 (SD 22.99)

\({\mathrm{FEV}}_{1}\)(L), mean

1.64 (SD 0.66)

1.43 (SD 0.62)

1.27 (SD 0.64)

B-eosinophils (109/L), mean

0.25 (SD 0.21)

0.25 (SD 0.22)

0.23 (SD 0.19)

MRC-score, mean

2.38 (SD 1.02)

2.82 (SD 1.11)

3.20 (SD 1.04)

  1. BMI body mass index, FEV1 forced expiratory volume in 1. second, FVC forced vital capacity, B-eosinophils blood-eosinophils, MRC medical research council, SD standard deviation