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Table 1 Demographic characteristics of participants

From: Optimizing inhalation therapy in the aspect of peak inhalation flow rate in patients with chronic obstructive pulmonary disease or asthma

  Asthma (n = 93) COPD (n = 116) Total (n = 209)
Sex, male (%) 37 (39.8) 89 (76.7) 126 (60.3)
Age (years) 44.9 ± 15.4 66.6 ± 12.7 56.9 ± 17.6
Smoking status (%)
 Yes (including current and former smokers) 19 (21.1) 74 (64.9) 93 (45.6)
Current 14 (15.5) 27 (23.7) 41 (20.1)
Former 5 (5.6) 47 (41.2) 52 (25.5)
 Never 66 (73.3) 38 (33.3) 104 (51.0)
 Secondhand 5 (5.6) 2 (1.8) 7 (3.4)
  1. Data are shown as means ± standard deviation or number (%) patients
  2. COPD, chronic obstructive pulmonary disease