Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

165 questions · 173 findings · 17 reviews

No studies found 45 · 26%GRADE not reported 12 · 6.9%Very low 37 · 21.4%Low 50 · 28.9%Moderate 25 · 14.5%High 4 · 2.3%

Heated humidification + fixed CPAP vs fixed CPAP

Withdrawals (parallel group trials/first arm cross‐over trials) · adults with a diagnosis of sleep apnoea

It is very uncertain whether heated humidification + fixed CPAP changes withdrawals (parallel group trials/first arm cross‐over trials) compared with fixed CPAP alone (very low certainty).

1 finding from 1 review

Heated humidification + fixed CPAP vs fixed CPAP

Adverse events (machine tolerability outcomes) assessed as number of participants experiencing a blocked nose · adults with a diagnosis of sleep apnoea

Heated humidification + fixed CPAP may leads to lower adverse events (machine tolerability outcomes) assessed as number of… compared with fixed CPAP alone (low certainty).

1 finding from 1 review

Prophylactic CPAP vs mechanical ventilation

Combined outcome of death and bronchopulmonary dysplasia defined as death at any time and oxygen dependency at 36 weeks' postmenstrual age · preterm infants

Prophylactic CPAP probably leads to lower combined outcome of death and bronchopulmonary dysplasia defined as… compared with mechanical ventilation (moderate certainty).

1 finding from 1 review

Prophylactic CPAP vs mechanical ventilation

Failed treatment defined as the need for mechanical ventilation · preterm infants

Prophylactic CPAP probably leads to lower failed treatment defined as the need for mechanical ventilation compared with mechanical ventilation (moderate certainty).

1 finding from 1 review

Prophylactic CPAP vs mechanical ventilation

Bronchopulmonary dysplasia at 36 weeks defined as oxygen dependency at 36 weeks postmenstrual age · preterm infants

Prophylactic CPAP probably leads to lower bronchopulmonary dysplasia at 36 weeks defined as oxygen dependency… compared with mechanical ventilation (moderate certainty).

1 finding from 1 review

Prophylactic or very early CPAP vs supportive care

Bronchopulmonary dysplasia at 36 weeks defined as oxygen dependency at 36 weeks postmenstrual age · preterm infants

Prophylactic or very early CPAP showed no clear difference in bronchopulmonary dysplasia at 36 weeks defined as oxygen dependency… compared with supportive care (moderate certainty).

1 finding from 1 review

Prophylactic or very early CPAP vs supportive care

Death or oxygen requirement at 36 weeks' postmenstrual age · preterm infants

Prophylactic or very early CPAP showed no clear difference in combined outcome of death and bronchopulmonary dysplasia defined as… compared with supportive care (low certainty).

1 finding from 1 review