Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

Clopidogrel vs placebo

Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous fistula

Clopidogrel showed no clear difference in number of related surgical or radiological interventions (42 days) compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Self‐controlled case series ‐ encephalitis meningitis ‐ encephalitis meningitis risk period (0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in self‐controlled case series ‐ encephalitis meningitis ‐ encephalitis… (low certainty).

1 finding from 1 review

Intervention not reported

Self‐controlled case series ‐ herpes ‐ herpes risk period (0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in self‐controlled case series ‐ herpes ‐ herpes risk period (0 to 90… (low certainty).

1 finding from 1 review

Intervention not reported

Self‐controlled case series ‐ pneumonia ‐ pneumonia risk period (0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in self‐controlled case series ‐ pneumonia ‐ pneumonia risk period (0… (low certainty).

1 finding from 1 review

Intervention not reported

Self‐controlled case series ‐ varicella zoster ‐ varicella zoster risk period (0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in self‐controlled case series ‐ varicella zoster ‐ varicella zoster… (low certainty).

1 finding from 1 review

Intervention not reported

Self‐controlled case series ‐ miscellaneous viral infections ‐ miscellaneous viral infections risk period (0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in self‐controlled case series ‐ miscellaneous viral infections ‐… (low certainty).

1 finding from 1 review

Intervention not reported

Case‐control: MMR (risk interval from 0 to 90 days) · children 9 months to 15 years old

The intervention showed no clear difference in case‐control: MMR (risk interval from 0 to 90 days) (low certainty).

1 finding from 1 review

Intervention not reported

Case‐control ‐ Jeryl Lynn ‐ risk interval 0 to 30 days · children 9 months to 15 years old

The intervention showed no clear difference in case‐control ‐ Jeryl Lynn ‐ risk interval 0 to 30 days (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR+V ‐ by brand ‐ from 0 to 42 days after vaccination (Priorix‐Tetra) · children 9 months to 15 years old

The intervention showed no clear difference in MMRV vs MMR+V ‐ by brand ‐ from 0 to 42 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR+V ‐ by brand ‐ from 7 to 10 days after vaccination (Priorix‐Tetra) · children 9 months to 15 years old

The intervention showed no clear difference in MMRV vs MMR+V ‐ by brand ‐ from 7 to 10 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR+V ‐ by brand ‐ from 0 to 42 days after vaccination (ProQuad) · children 9 months to 15 years old

The intervention may leads to higher MMRV vs MMR+V ‐ by brand ‐ from 0 to 42 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR+V ‐ by brand ‐ from 7 to 10 days after vaccination (ProQuad) · children 9 months to 15 years old

The intervention may leads to higher MMRV vs MMR+V ‐ by brand ‐ from 7 to 10 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR ‐ by brand ‐ from 0 to 42 days after vaccination (Priorix‐Tetra) · children 9 months to 15 years old

The intervention showed no clear difference in MMRV vs MMR ‐ by brand ‐ from 0 to 42 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR ‐ by brand ‐ from 7 to 10 days after vaccination (Priorix‐Tetra) · children 9 months to 15 years old

The intervention may leads to higher MMRV vs MMR ‐ by brand ‐ from 7 to 10 days after vaccination… (low certainty).

1 finding from 1 review

Intervention not reported

MMRV vs MMR ‐ by brand ‐ from 0 to 42 days after vaccination (ProQuad) · children 9 months to 15 years old

The intervention may leads to higher MMRV vs MMR ‐ by brand ‐ from 0 to 42 days after vaccination (ProQuad) (low certainty).

1 finding from 1 review