Why the study?
Does a risk model limited to 3 independent predictors have similar or better accuracy and calibration compared with more complex risk scores in patients undergoing elective cardiac operations?
Does a risk model limited to 3 independent predictors have similar or better accuracy and calibration compared with more complex risk scores in patients undergoing elective cardiac operations?
A simplified 3-predictor risk model provides similar or better accuracy and calibration for mortality risk in elective cardiac operations compared to more complex models.
Supports simpler mortality prediction in elective cardiac surgery; leaves open prospective validation and outcome impact.
A risk model limited to 3 independent predictors has similar or better accuracy and calibration compared with more complex risk scores if applied to elective cardiac operations.
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Ranucci et al. (2009) studied this question.
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