Hospitals and patient characteristics
NSTEACS, NSTEMI, unstable angina, Ischaemia
ISCHAEMIA, UNSTABLE ANGINA, EVENTS
Between 9 March 2017 and 30 December 2019, we recruited 3050 participants (1440 GRS, 1610 standard care) who were admitted with suspected NSTEACS to 42 hospitals in 38 clusters (20 GRS, 18 standard care; CONSORT (Consolidated Standards of Reporting Trials) diagram. CRN=clinical research network;GRACE=Global Registry of Acute Coronary Events; IQR=interquartile rangeThe overall mean age was 65.7 years (standard deviation 12) and 69% of patients were male (Baseline characteristics of the intention-to-treat populationData are numbers (%) unless stated otherwise. Annualised hospital volumes of NSTEMI and primary PCI capability were abstracted from the Myocardial Ischaemia National Audit Project report covering the period 2017-20.CRUSADE=can rapid risk stratification of unstable angina patients suppress adverse outcomes with early implementation of the American College of Cardiology/American HeartAssociation guidelines; GRACE=Global Registry of Acute Coronary Events; GRS=GRACE risk score; NSTEMI=non-ST elevation myocardial infarction; PCI=percutaneous coronary intervention; SD=standard deviation.