What do systematic reviews say?

Continuous positive airway pressure (CPAP) vs phosphodiesterase type 5 inhibitors

• Non‐invasive positive airway pressure therapy for improving erectile dysfunction in men with obstructive sleep apnoea 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 122 participants
  Very low

Continuous positive airway pressure (CPAP) vs no CPAP

• Non‐invasive positive airway pressure therapy for improving erectile dysfunction in men with obstructive sleep apnoea 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 57 participants
  Very low

Intervention not reported

• Positive expiratory pressure therapy versus other airway clearance techniques for bronchiectasis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  31 participants
  Low

Smart technology vs face‐to‐face/digital and/or written support

• Computer and mobile technology interventions for self‐management in chronic obstructive pulmonary disease 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 472 participants
  Low

Self‐management interventions vs usual care

• Self‐management interventions including action plans for exacerbations versus usual care in patients with chronic… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  10 studies · 1582 participants
  High

Intervention not reported

The intervention showed no clear difference in health‐related quality of life (HRQOL) disease‐specific HRQOL (low certainty).

• Positive expiratory pressure therapy versus other airway clearance techniques for bronchiectasis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  17 participants
  Low

Behavioural intervention vs control

• Educational, supportive and behavioural interventions to improve usage of continuous positive airway pressure machines… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 200 participants
  GRADE not reported

Summary of findings (water exercise vs no exercise

• Water‐based exercise training for chronic obstructive pulmonary disease 2013 · Cochrane Headline outcomes only
  no estimate extracted
  19 participants
  Low

Summary of findings (water exercise vs land exercise)

• Water‐based exercise training for chronic obstructive pulmonary disease 2013 · Cochrane Headline outcomes only
  no estimate extracted
  60 participants
  Low

Intervention not reported

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Low

Intervention not reported

The intervention showed no clear difference in health‐related quality of life (health status) COPD Assessment Tool.… (low certainty).

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 30 participants
  Low

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

• Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 163 participants
  GRADE not reported

SCS treatment for 7 or fewer days vs SCS treatment

• Different durations of corticosteroid therapy for exacerbations of chronic obstructive pulmonary disease 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 271 participants
  Moderate

Intervention not reported

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Low

Intervention not reported

The intervention probably leads to higher PC‐QOL mean score at 6 weeks PC‐QOL is a 27‐item questionnaire. Each… (moderate certainty).

• Clinical pathways for chronic cough in children 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 226 participants
  Moderate