Short-Term Outcomes of Coronary Endarterectomy as an Adjunct to Coronary Artery Bypass Grafting: A Systematic Review and Meta-Analysis of Over 100 000 Patients.

Notably, 2 of the 3 individual adjusted estimates did not reach statistical significance, and the pooled adjusted OR (1.76) was numerically lower than the crude pooled RR (1.84), suggesting that part of the observed excess mortality risk is attributable to confounding by baseline disease severity rather than to the CE procedure itself.

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