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. 2019 Dec 21;14:457. doi: 10.1186/s13018-019-1516-z

Fig. 4.

Fig. 4

Receiver operating characteristic (ROC) curve to determine refracture events. Area under the curve based on BMI was 0.794 (95% CI 0.696–0.893). Optimal BMI cutoff value was 22.73