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. Author manuscript; available in PMC: 2016 Jul 4.
Published in final edited form as: Pharmacoeconomics. 2012 Aug 1;30(8):697–712. doi: 10.2165/11597890-000000000-00000

Table II.

Disease characteristics

Characteristic n (%)a
Asthma severity classification at baseline (n = 91)
 Intermittent 6 (6.6)
 Mild persistent 30 (33.0)
 Moderate persistent 41 (45.1)
 Severe persistent 14 (15.4)
Asthma medications in last wk (n = 89)
 ICS alone or with LA 5 (5.6)
 BD with ICS or BD with LA 46 (51.7)
 BD plus ICS plus LA 34 (38.2)
 Oral steroid alone or with any other asthma medication 4 (4.5)
Physician baseline global asthma control assessment (n = 91) [mean (SD)] 2.3 (1.1)
Number of asthma attacks since baselineb (n = 64)
 None 28 (43.8)
 One 19 (29.7)
 Two or more 17 (26.7)
Number of visits to ED for urgent asthma treatment since baseline (n = 64)
 None 57 (89.1)
 One or more 7 (11.0)
Number of unscheduled visits to doctor’s office or walk-in clinic for urgent asthma treatment since baseline (n = 64)
 None 58 (90.6)
 One or more 6 (9.5)
Number of school days missed because of asthma since baseline (n = 64)
 None 36 (56.3)
 One 8 (12.5)
 Two 7 (10.9)
 Three or more 13 (20.3)
a

Unless otherwise indicated.

b

An asthma attack is defined as the sudden worsening of symptoms that results in difficulty breathing and may require taking additional medication. It may or may not require a visit to an ED or a doctor.

BD = bronchodilator; ICS = inhaled corticosteroid; LA = leukotriene antagonist; SD = standard deviation.