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Table 1 Patient characteristics in the asthma and COPD groups, mean ± SD and %.

From: Impact of patient characteristics, education and knowledge on emergency room visits in patients with asthma and COPD: a descriptive and correlative study

  Asthma
n = 84
COPD
n = 52
p-value
Age, years 55 ± 18 69 ± 9 < 0.01
Sex, % female 64 50 0.12
BMI, kg/m2 26 ± 5 26 ± 6 0.47
Respiratory symptoms, years 18 ± 14 15 ± 13 0.26
Ever smoked, % 52 94 < 0.01
Pack years, years 8 ± 14 32 ± 21 < 0.01
Current smokers, % 18 19 0.84
ER visits the previous year, % 61 81 0.02
High school or university education (>10 years), % 62 27 < 0.01
Physical activity, mainly sitting, % 10 37 < 0.01
Physical activity, sitting and walking < 4 days per week, % 93 96 0.45
LABA, % 59 64 0.59
ICS, % 90 76 0.03
LABA + ICS, % 54 60 0.53
Tiotropium, % 3 28 0.01
Co-morbidity, % 34 51 < 0.05
  1. ER: Emergency room visits, BMI: Body Mass Index; LABA: Long Acting Beta Agonist; ICS: Inhaled Corticosteroid