Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
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%

First‐line thiazides vs calcium channel blockers

Adverse effects (side effects; treatment withdrawals) · patients with hypertension

First‐line thiazides may leads to lower withdrawals due to adverse effects Duration: 1 to 5 years compared with first‐line calcium channel blockers (low certainty).

1 finding from 1 review