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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

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No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Oral ondansetron (weight based) vs placebo

Rate of admission during ED stay · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) probably leads to lower rate of admission during ED stay compared with placebo (moderate certainty).

1 finding from 1 review

Oral ondansetron (weight based) vs placebo

Rate of admission 72 hrs · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) showed no clear difference in rate of admission 72 hrs compared with placebo (low certainty).

2 findings from 1 review

Oral ondansetron (weight based) vs placebo

Rate of intravenous rehydration during ED stay · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) probably leads to lower rate of intravenous rehydration during ED stay compared with placebo (moderate certainty).

1 finding from 1 review

Oral ondansetron (weight based) vs placebo

Rate of intravenous rehydration up to 72 hrs following discharge from ED (best ‐ worst scenario) · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) may leads to lower rate of intravenous rehydration up to 72 hrs following discharge… compared with placebo (low certainty).

1 finding from 1 review

Oral ondansetron (weight based) vs placebo

Rate of intravenous rehydration up to 72 hrs following discharge from ED (worst ‐ best scenario) · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) may leads to lower rate of intravenous rehydration up to 72 hrs following discharge… compared with placebo (low certainty).

1 finding from 1 review

Oral ondansetron (weight based) vs placebo

Proportion of patients with cessation of vomiting · patients with vomiting related to acute gastroenteritis with mild to moderate dehydration

Oral ondansetron (weight based) probably leads to higher proportion of patients with cessation of vomiting compared with placebo (moderate certainty).

1 finding from 1 review

Summary of findings: complete control of vomiting during the overall phase (HEC) when vs treatment with aprepitant + granisetron

Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by highly emetogenic chemotherapy

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: serious adverse events (HEC) when vs treatment with aprepitant + granisetron

Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by highly emetogenic chemotherapy

The review found no eligible studies for this question.

1 finding from 1 review