Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,922 questions · 3,118 findings · 513 reviews

No studies found 574 · 18.4%GRADE not reported 372 · 11.9%Very low 723 · 23.2%Low 854 · 27.4%Moderate 489 · 15.7%High 106 · 3.4%

Lower blood pressure targets vs standard blood pressure targets

Total serious adverse events · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in total serious adverse events compared with standard blood pressure targets (low certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Cardiovascular mortality · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in cardiovascular mortality compared with standard blood pressure targets (moderate certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Withdrawals due to adverse events · cardiovascular disease with high blood pressure

It is very uncertain whether lower blood pressure targets changes participant withdrawals due to adverse effects compared with standard blood pressure targets (very low certainty).

1 finding from 1 review

Saline vs carbon dioxide

Adverse events and complications · women undergoing outpatient hysteroscopy

Saline probably leads to lower adverse events and complications compared with carbon dioxide (moderate certainty).

1 finding from 1 review