Table 1 Characteristics of included patients in the trial

Age, y, mean (SD)

38 ± 10

33 ± 11

0.086

Sex M

9(39)

11(41)

0.908

 Long acting beta₂-mimetics

9(39)

7(26)

0.318

 Inhaled corticosteroids

11(48)

14(52)

O.777

 Systemic corticosteroids

1(4)

0

 Theophylline

4(17)

1(4)

0.167

History of hospitalization for acute asthma

5 (22)

8(30)

0.526

 1 hospitalization

2

4

 2 hospitalizations

1

4

 3 hospitalizations

1

0

History of mechanical ventilation for acute asthma

2(9)

2(9)

0.898