Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,288 questions · 3,354 findings · 516 reviews · Headline outcomes only

No studies found 720 · 21.5%GRADE not reported 164 · 4.9%Very low 950 · 28.3%Low 932 · 27.8%Moderate 434 · 12.9%High 154 · 4.6%

Induction and maintenance: sevoflurane + nitrous oxide (N2O) vs propofol + N2O

Number of patients with postoperative nausea and vomiting (postoperative care unit) · paediatric

Induction and maintenance: sevoflurane + nitrous oxide (N2O) may leads to higher postoperative nausea and vomiting compared with propofol + N2O (low certainty).

1 finding from 1 review

Induction and maintenance: sevoflurane + nitrous oxide (N2O) vs propofol + N2O

Postoperative behavioural disturbances Different scales · paediatric

It is very uncertain whether induction and maintenance: sevoflurane + nitrous oxide (N2O) changes postoperative behavioural disturbances Different scales compared with propofol + N2O (very low certainty).

1 finding from 1 review

Induction and maintenance: sevoflurane + nitrous oxide (N2O) vs propofol + N2O

Intraoperative and postoperative respiratory and cardiovascular complications · paediatric

It is very uncertain whether induction and maintenance: sevoflurane + nitrous oxide (N2O) changes intraoperative and postoperative respiratory and cardiovascular… compared with propofol + N2O (very low certainty).

1 finding from 1 review

Maintenance anaesthesia: inhalational vs intravenous

Nausea and vomiting ‐ subgroup analysis: thiopentone or halothane + N2O versus propofol or propofol + N2O · paediatric

Maintenance anaesthesia: inhalational may leads to higher nausea and vomiting ‐ subgroup analysis: thiopentone or halothane +… compared with intravenous (low certainty).

2 findings from 1 review

Cyclophosphamide vs methylprednisolone

Response to treatment (20% improvement)* · patients with neuropsychiatric involvement in systemic lupus erythematosus

It is very uncertain whether cyclophosphamide changes response to treatment (20% improvement)* compared with methylprednisolone (very low certainty).

1 finding from 1 review

Cyclophosphamide vs methylprednisolone

Urinary tract infection · patients with neuropsychiatric involvement in systemic lupus erythematosus

It is very uncertain whether cyclophosphamide changes adverse events ‐ Urinary tract infections compared with methylprednisolone (very low certainty).

1 finding from 1 review

Cyclophosphamide vs methylprednisolone

Adverse events ‐ Death · patients with neuropsychiatric involvement in systemic lupus erythematosus

It is very uncertain whether cyclophosphamide changes adverse events ‐ Death compared with methylprednisolone (very low certainty).

1 finding from 1 review