Question · asked by 1 review

First‐line calcium channel blocker vs placebo: Total coronary heart disease

Population
adults with primary hypertension
Intervention
First‐line calcium channel blocker
Comparison
placebo
Outcome
Total coronary heart disease

First‐line calcium channel blocker showed no clear difference in total coronary heart disease (CHD) compared with placebo (low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
First‐line calcium channel blocker vs placebo
Total coronary heart disease (CHD) · adult patients with primary hypertension
First‐line calcium channel blocker showed no clear difference in total coronary heart disease (CHD) compared with placebo (low certainty).
First‐line drugs for hypertension (2018) · Cochrane Headline outcomes only
RR 0.77 [0.55, 1.09]1 study · 4695 participantsLow

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
First‐line drugs for hypertension
2018 · Cochrane Headline outcomes only
Not reportedNot extractedNot 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.