Figure 1. Study Flowchart.

Inclusion, treatment allocation, informed consent procedure, and lost to follow-up of COACT participants from the start of the trial up to 1 year. COACT indicates Coronary Angiography After Cardiac Arrest; OHCA, out of hospital cardiac arrest; and ROSC, return of spontaneous circulation.

^aThese patients received urgent intervention owing to conditions such as cardiogenic shock, recurrent life-threatening arrhythmias, or recurrent cardiac ischemia while waiting for coronary angiography.