Fig. 4From: Effect of angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on cardiovascular events in patients with heart failure: a meta-analysis of randomized controlled trialsRandomised controlled trials comparing effect of ACEIs and ARB treatment on all-cause mortality. Summary risk ratios (95%confidence intervals) are shown for each comparison. ACEI, angiotensin-converting enzyme inhibitor, ARB, angiotensin II receptor blockerBack to article page