Table 1 Baseline characteristics of the COPD patients.

From: The effects of repeated inhaler device handling education in COPD patients: a prospective cohort study

Variable

N = 261

Age (years)

69.8 ± 7.7

Male, n (%)

244 (93.5)

Body mass index (kg/m2)

23.5 ± 3.5

Smoking status

 Never-smoker

35 (13.4)

 Ex-smoker

179 (68.6)

 Current smoker

47 (18.0)

COPD duration (years)

3.6 ± 4.3

Multiple inhaler devices (≥ 2 devices)

47 (18.0)

Previous education on COPD

249 (95.4)

Previous education on how to handle an inhaler

249 (95.4)

Educational level

 Low (≤ 6 years)

 Higher (> 6 years)

99 (37.9)

162 (62.1)

FEV1/FVC (%)

58.6 ± 13.7

Percentage predicted FEV1

63.5 ± 17.5

Percentage predicted DLCO (n = 258)

68.4 ± 19.5

GOLD stage

 I, II

204 (78.1)

 III, IV

57 (21.9)

mMRC score

1.3 ± 0.9

CAT score

9.9 ± 5.6

MMSE score (n = 258)

29.3 ± 1.6

Frequent exacerbations in the prior year

65 (24.9)

  1. Data are presented as means ± standard deviations (ranges) or numbers (percentages).
  2. CAT COPD assessment test, COPD chronic obstructive pulmonary disease, DLCO diffusion capacity for carbon monoxide, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, GOLD Global Initiative for Chronic Obstructive Lung Disease, mMRC modified Medical Research Council, MMSE Mini-Mental State Examination.
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