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Box plots of artificial intelligence quantification of (A) left ventricular ejection fraction and (B) global longitudinal strain at peak stress stratified by ischaemic burden and presence of coronary artery disease. * P < 0.001 for ≥3 ischaemic segments; the number of cases for 0 and 1–2 ischaemic segments was too low for statistically assessing for significant differences.
