TABLE 4

Actuations per day before and after an asthma exacerbation

Budesonide–formoterol as neededMaintenance budesonide with terbutaline as needed
Patients1215
Budesonide use actuations
 Use in the 14 days before an exacerbation
  Mean±sd2.1±1.71.7±0.3
  Median (IQR)1.5 (0.9–2.4)1.7 (1.5–2.0)
  Range (minimum–maximum)0.4–6.01.1–2.2
 Use in the 5 days before an exacerbation
  Mean±sd2.4±1.62.0±0.4
  Median (IQR)1.7 (1.2–3.7)2.0 (1.8–2.2)
  Range (minimum–maximum)0.8–5.21.2–2.4
 Use in the 14 days after an exacerbation
  Mean±sd1.2±0.81.7±0.9
  Median (IQR)1.0 (0.9–1.3)1.9 (1.4–1.9)
  Range (minimum–maximum)0.0–3.40.4–4.1
 Use in the 5 days after an exacerbation
  Mean±sd1.5±0.71.9±1.2
  Median (IQR)1.5 (1.1–2.0)1.8 (1.1–1.9)
  Range (minimum–maximum)0.0–2.40.4–5.4
β2-agonist use actuations
 Use in the 14 days before an exacerbation
  Mean±sd2.1±1.71.9±1.6
  Median (IQR)1.5 (0.9–2.4)1.8 (0.7–2.9)
  Range (minimum–maximum)0.4–6.00.0–5.9
 Use in the 5 days before an exacerbation
  Mean±sd2.4±1.62.8±1.8
  Median (IQR)1.7 (1.2–3.7)2.8 (1.6–3.8)
  Range (minimum–maximum)0.8–5.20.0–6.2
 Use in the 14 days after an exacerbation
  Mean±sd1.2±0.81.6±1.4
  Median (IQR)1.0 (0.9–1.3)1.1 (0.4–2.8)
  Range (minimum–maximum)0.0–3.40.0–4.1
 Use in the 5 days after an exacerbation
  Mean±sd1.5±0.72.2±2.0
  Median (IQR)1.5 (1.1–2.0)2.0 (0.5–3.3)
  Range (minimum–maximum)0.0–2.40.0–6.0

IQR: interquartile range.