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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Temporizing cast immobilization is a safe alternative to external fixation in ankle fracture-dislocation while posterior malleolar fragment size predicts loss of reduction: a case control study

Fig. 3

Receiver operating characteristic (ROC) curve analysis demonstrated an area under the curve of 0.766 (p < 0.001) and identified two thresholds for posterior malleolar fragment size to predict loss of reduction in a cast with the same tradeoff between sensitivity and specificity. A threshold of 13.5% (A) resulted in a sensitivity of 83% and a specificity of 57%. A threshold of 22.5% (B) was associated with a sensitivity of 61% and a specificity of 79%

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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