Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

H2 receptor antagonists vs placebo or no prophylaxis

Clinically important upper GI bleeding · people admitted to intensive care units

H2 receptor antagonists probably leads to lower clinically important upper GI bleeding compared with placebo or no prophylaxis (moderate certainty).

1 finding from 1 review

Acupuncture vs sham

Change in SBP shortly after last session · people with primary hypertension
1 finding from 1 review

Acupuncture vs sham

Change in DBP shortly after last session · people with primary hypertension
1 finding from 1 review

Intervention not reported

Adverse events · people with primary hypertension
1 finding from 1 review

Bispectral index vs treatment guided by clinical assessment alone?

Duration of mechanical ventilation · Mechanically ventilated adults in the intensive care unit

BIS monitoring showed no clear difference in duration of mechanical ventilation (measured in days) compared with clinical assessment (low certainty).

1 finding from 1 review

Ferric sulphate (FS) + mineral trioxide aggregate (MTA) vs Zinc oxide and eugenol (ZOE) pulpectomy

Radiological failure · Children with extensive decay involving the dental pulp in primary teeth

Ferric sulphate/MTA pulpotomy showed no clear difference in radiological failure compared with zinc oxide and eugenol (ZOE) pulpectomy; GRADE not reported.

1 finding from 1 review

ProRoot MTA vs OrthoMTA

Clinical failure · Children with extensive decay involving the dental pulp in primary teeth

ProRoot MTA showed no clear difference in clinical failure compared with orthoMTA; GRADE not reported.

1 finding from 1 review