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Table 2 Treatment regimens and patient-reported and objectively measured asthma medication adherence in 178 patients attending a university hospital outpatient clinic

From: Self-reported vs. objectively assessed adherence to inhaled corticosteroids in asthma

Treatment and Adherence

N (%), Mean (SD)

ICS Prescribed Dose

 Low Dose

66 (37.1%)

 Moderate Dose

71 (39.9%)

 High Dose

41 (23.0%)

 Dual ICS Therapy

32 (18.0%)

GINA 2020 Step

 Step 2

15 (8.4%)

 Step 3

60 (33.7%)

 Step 4

62 (34.8%)

 Step 5

41 (23.0%)

Biologic Therapy

3 (1.7%)

Maintenance Oral Corticosteroids

6 (3.4%)

Annual SABA Use (Doses)

255 (445)

 of which > 600 doses/yr

32 (18.0%)

Foster Score

94.0% (19.0%)

 of which 100%

156 (87.6%)

Inhaled Corticosteroid MPR

0.54 (0.25)

 Once-daily ICS MPR (n = 19)

67.0% (13.1%)

 Twice-daily ICS MPR (n = 127)

53.4% (25.2%, p = 0.05*)

 Dual ICS MPR (n = 32)

43.9% (26.0%, p = 0.02*)

ICS Adherence

 80% or above

30 (16.9%)

 Below 80%

148 (83.1%)

  1. * Versus patients receiving once-daily ICS. N number of patients, IQR inter-quartile range, ICS Inhaled Corticosteroids, GINA Global Initiative for Asthma (2020), MPR medication possession ratio, LABA long-acting β2-agonist, LAMA long-acting muscarinic receptor antagonist, SABA short-acting β2-agonist, MPR medication possession ratio, SD standard deviation