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Table 1 Characteristics of the patient population

From: Inhaler devices in asthma and COPD patients – a prospective cross-sectional study on inhaler preferences and error rates

N 105
Male, n (%) 45 (42.9)
Female, n (%) 60 (57.1)
Diagnosis, n (%)
Asthma
  -Males
  -Females
COPD
  -Males
  -Females
61 (58.1)
  -21 (34.4)
  -40 (65.6)
44 (41.9)
  -24 (54.6)
  -20 (45.4)
Patient age, mean (SD), years
Asthma patients
COPD patients
56.0 (17.4)
47.4 (17.1)
68.0 (8.53)
Age categories, n (%)
18–40 years of age
41–60 years of age
> 60 years of age
24 (22.9)
28 (26.7)
53 (50.5)
Disease duration, mean (SD), years
Asthma patients
COPD patients
12.7(10.9)
15.4(15.4)
8.9 (8.0)