From: Bronchodilatory effect of inhaled budesonide/formoterol and budesonide/salbutamol in acute asthma: a double-blind, randomized controlled trial
Time
Salbutamol group N = 43
Formoterol group N = 45
P value
Baseline
7.3 ± 1.2
7.2 ± 1.0
1 min
5.4 ± 1.6
5.4 ± 1.9
0.66
5 min
4.3 ± 1.5
4.6 ± 1.7
0.38
15 min
3.9 ± 1.6
4.1 ± 1.8
30 min
3.6 ± 1.6
3.5 ± 1.7
0.8
60 min
3.5 ± 1.6
3.6 ± 1.9
0.76