Evid Based Nurs 4:15 doi:10.1136/ebn.4.1.15
  • Treatment

Review: addition of salmeterol leads to improved lung function and fewer exacerbations in symptomatic asthma

Table 3

≥1 exacerbations of asthma according to severity between treatment with salmeterol and increased dose of inhaled steroid†

Outcomes ARR favouring salmeterol (95% CI) NNT (CI)†
†Abbreviations defined in glossary; †CI calculated from data in article.
Any exacerbation 2.7% (0.4 to 5.04) 37 (20 to 233)
Moderate or severe exacerbation 2.4% (0.2 to 4.6) 41 (22 to 417)

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