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Table 4 Logistic regression models: Risks of receiving in 2008 ≥ one prescription of systemic corticosteroids (model 1) and risk of receiving ≥ one prescription of antibiotics (model 2), according to ratio groups in ICS-treated patients (non ICS users excluded)

From: Prescribed therapy for asthma: therapeutic ratios and outcomes

  Model 1: Risks of receiving in 2008 ≥ one prescription of systemic corticosteroids Model 2: Risks of receiving in 2008 ≥ one prescription of antibiotics
  Adjusted OR(a) 95% CI Adjusted OR(a) 95% CI
UK (n = 31,641)     
Low ratio (0% < R < 50%) 1 - 1 -
High ratio (R ≥ 50%) 0.54 0.50-0.57 0.80 0.76-0.84
France (n = 3,411)     
Low ratio (0% < R < 50%) 1 - 1 -
High ratio (R ≥ 50%) 0.78 0.67-0.91 0.87 0.75-1.01
  1. (a)Adjusted for age, gender, ≥ 1 dispensing of LABA-ICS fixed combination, the number of dispensed respiratory medication classes in 2008 (<6, 6+).