Coenzyme Q10 probably leads to lower all‐cause mortality compared with placebo or conventional therapy (moderate certainty).
Coenzyme Q10 showed no clear difference in myocardial infarction compared with placebo or conventional therapy (low certainty).
Coenzyme Q10 showed no clear difference in stroke compared with placebo or conventional therapy (low certainty).
Coenzyme Q10 probably leads to lower hospitalisation for heart failure compared with placebo or conventional therapy (moderate certainty).
Coenzyme Q10 showed no clear difference in adverse events compared with placebo or conventional therapy (low certainty).