Question · asked by 1 review
First‐line calcium channel blocker vs placebo: Stroke
- Population
- adults with primary hypertension
- Intervention
- First‐line calcium channel blocker
- Comparison
- placebo
- Outcome
- Stroke
First‐line calcium channel blocker may leads to lower total stroke compared with placebo (low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
First‐line calcium channel blocker vs placebo Total stroke · adult patients with primary hypertension First‐line calcium channel blocker may leads to lower total stroke compared with placebo (low certainty). First‐line drugs for hypertension (2018) · Cochrane Headline outcomes only | RR 0.58 [0.41, 0.84] | 1 study · 4695 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| First‐line drugs for hypertension 2018 · Cochrane Headline outcomes only | Not reported | Not extracted | Not assessed |
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.