Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

187 questions · 189 findings · 84 reviews

No studies found 16 · 8.5%GRADE not reported 7 · 3.7%Very low 44 · 23.3%Low 57 · 30.2%Moderate 47 · 24.9%High 18 · 9.5%

Inhaled NO vs placebo or conventional therapy

Mortality before hospital discharge · all infants and children with congenital heart disease having postoperative management of pulmonary hypertension

It is very uncertain whether inhaled nitric oxide changes mortality prior to discharge1 compared with placebo or conventional therapy (very low certainty).

1 finding from 1 review

Intervention not reported

Combined mortality of all studies · Adult patients in intensive care

The intervention leads to higher combined mortality of all studies (high certainty).

1 finding from 1 review

Oxygenation vs no oxygenation during the apnoeic period preceding intubation

All‐cause mortality · people requiring tracheal intubation

Oxygenation showed no clear difference in mortality compared with no oxygenation during the apnoeic period preceding intubation (low certainty).

1 finding from 1 review

Enteral vs parenteral nutrition

All‐cause mortality · critically ill adults admitted to the ICU for trauma, emergency, or post‐surgical care; population excludes participants with acute…

Enteral showed no clear difference in mortality compared with parenteral nutrition (low certainty).

1 finding from 1 review

Enteral vs enteral and parenteral nutrition

All‐cause mortality · critically ill adults admitted to the ICU for trauma, emergency, or post‐surgical care; population excludes participants with acute…

Enteral showed no clear difference in mortality compared with enteral and parenteral nutrition (low certainty).

1 finding from 1 review

Intervention not reported

All‐cause mortality at 31 to 100 days · Adults with haematological malignancies treated with intensive chemotherapy or radiotherapy, or both, with or without haematopoietic stem…

It is very uncertain whether the intervention changes all‐cause mortality at 31 to 100 days (very low certainty).

1 finding from 1 review