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Figure 1: Comparison of mortality by European system for cardiac operative risk evaluation and Society of Thoracic Surgeons. Area under receiver operating characteristic was calculated to be 0.69 (P = 0.068) for EuroSCORE II and 0.65 (P = 0.15) for STS risk-score. Both were statistically not significant

Figure 1: Comparison of mortality by European system for cardiac operative risk evaluation and Society of Thoracic Surgeons. Area under receiver operating characteristic was calculated to be 0.69 (<i>P</i> = 0.068) for EuroSCORE II and 0.65 (<i>P</i> = 0.15) for STS risk-score. Both were statistically not significant