What do systematic reviews say?

Feedback device vs control versus usual care

Feedback device may leads to higher correct inhaler technique 4‐Week compared with control versus usual care (low certainty).

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 4.8 [1.87, 12.33]
  1 study · 97 participants
  Low
• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 18.26 [2.22, 150.13]
  1 study · 71 participants
  Low

Feedback device vs control versus usual care

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 97 participants
  Low

Feedback device vs control versus usual care

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 100 participants
  Low

Feedback device vs control versus usual care

Feedback device probably leads to higher quality of life (responders) compared with control versus usual care (moderate certainty).

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 5.29 [1.76, 15.89]
  1 study · 71 participants
  Moderate

Feedback device 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

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

Multimedia training vs control versus usual care

Multimedia training showed no clear difference in correct inhaler technique Immediately after intervention compared with control versus usual care (moderate certainty).

• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 2.15 [0.84, 5.5]
  2 studies · 164 participants
  Moderate
• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  OR 1.78 [0.4, 7.94]
  1 study · 28 participants
  Low
• Interventions to improve inhaler technique for people with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 136 participants
  GRADE not reported

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 578 participants
  Low

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 251 participants
  Low

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 166 participants
  Low

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 84 participants
  GRADE not reported

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 68 participants
  GRADE not reported

Intervention not reported

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 244 participants
  Low

Intervention not reported

The review found no eligible studies for this question.

• Lay‐led and peer support interventions for adolescents with asthma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Testosterone vs placebo

• Interventions for sexual dysfunction in people with chronic obstructive pulmonary disease (COPD) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Low

Testosterone vs placebo

• Interventions for sexual dysfunction in people with chronic obstructive pulmonary disease (COPD) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Low

Testosterone vs placebo

Testosterone therapy showed no clear difference in adverse events (all cause) compared with placebo (low certainty).

• Interventions for sexual dysfunction in people with chronic obstructive pulmonary disease (COPD) 2015 · Cochrane Headline outcomes only
  RR 1.07 [0.07, 15.54]
  1 study · 29 participants
  Low