Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,097 questions · 3,266 findings · 631 reviews

No studies found 430 · 13.2%GRADE not reported 193 · 5.9%Very low 995 · 30.5%Low 904 · 27.7%Moderate 591 · 18.1%High 153 · 4.7%

Neuronavigation image‐guided surgery vs surgery

Adverse events · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)

Bleeding: Number of days on which a significant bleeding event occurred3 · People with a haematological disorder
2 findings from 2 reviews · compare the 2 reviews

Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)

Number of platelet transfusions per participant up to 30 days from study entry · People with a haematological disorder
2 findings from 2 reviews · compare the 2 reviews

Fluoride toothpaste less than 1000 ppm (lower concentration) vs Fluoride toothpaste 1000 ppm or more (higher concentration)

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

It is very uncertain whether fluoride toothpaste less than 1000 ppm (lower concentration) changes fluorosis (percentage prevalence in permanent teeth) compared with fluoride toothpaste 1000 ppm or more (higher concentration) (very low certainty).

2 findings from 1 review

Intermittent/cyclic etidronate 400 mg/day vs placebo

Withdrawals due to adverse events · postmenopausal women with a higher risk for fracturesa

It is very uncertain whether intermittent/cyclic etidronate 400 mg/day changes withdrawals due to adverse events compared with placebo (very low certainty).

1 finding from 1 review