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Cumulative distribution of the predicted risk of operative mortality assessed using the STS and the EuroSCORE-2 in both cohorts in patients with isolated CABG. Red: the STS score in STICH patients, Blue: the EuroSCORE-2 in STICH patients, Black: the STS in contemporary patients, Green: the EuroSCORE-2 in contemporary patients. Vertical dashed lines refer to median values for overall STS (1.23) and EuroSCORE-2 (2.63).
