What do systematic reviews say?

Enhanced education vs control versus usual care

Enhanced education probably leads to higher correct inhaler technique compared with control versus usual care (moderate certainty).

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 5 [1.83, 13.65]
  3 studies · 258 participants
  Moderate

Enhanced education vs control versus usual care

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 247 participants
  Very low
• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 3.18 [1.47, 6.88]
  2 studies · 134 participants
  Low

Enhanced education vs control versus usual care

Enhanced education showed no clear difference in exacerbations requiring at least OCS 26 weeks compared with control versus usual care (low certainty).

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 1.32 [0.49, 3.55]
  1 study · 158 participants
  Low

Enhanced education vs control versus usual care

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 247 participants
  Low

Enhanced education vs control versus usual care

The review found no eligible studies for this question.

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found