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Table 1 Participants, intervention, comparison and outcomes (PICO) of the present meta-analysis

From: Control angiography for perioperative myocardial Ischemia after coronary surgery: meta-analysis

PICO Description
Population Patients who developed perioperative myocardial ischemia immediately after coronary artery bypass grafting
Intervention Coronary angiography and repeat myocardial revascularization
Comparison None
Outcomes In-hospital/30-day mortality