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Table 4 Analysis of study medication use and days with asthma symptoms

From: Formoterol as reliever medication in asthma: a post-hoc analysis of the subgroup of the RELIEF study in East Asia

 

Formoterol

Salbutamol

Mean difference

P value

(n = 1402)

(n = 1393)

(95 % CI)

Use of study medication, doses/day (adjusted mean)

  Period 1

1.62

1.83

−0.20 (−0.37,−0.04)

0.017

  Period 2

1.52

1.83

−0.31 (−0.48,−0.14)

< 0.001

  Period 3

1.36

1.66

−0.30 (−0.47,−0.13)

< 0.001

Asthma symptom days, % (adjusted mean)

  Period 1

43.5

44.4

−0.92 (−3.92, 2.08)

0.55

  Period 2

43.1

44.5

−1.41 (−4.42, 1.61)

0.36

  Period 3

39.1

40.9

−1.83 (−4.86, 1.19)

0.24

  1. CI, confidence interval