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Fig. 5 | BMC Cardiovascular Disorders

Fig. 5

From: Development and internal validation of an OPCABG-specific prediction model for postoperative atrial fibrillation in Chinese patients: a retrospective cohort study

Fig. 5

Weak calibration for four models: (a) OPCAB-POAF; (b) C2HEST; (c) CHADS2; (d) CHA2DS2-VASC. The x-axis denotes the predicted probability of the outcome, while the y-axis represents the observed probability. The dashed line signifies the ideal 1:1 alignment between predicted and observed probabilities, highlighting the weak calibration of each model

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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