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Table 5 The cut-off points calculated using ROC curves and its sensitivity, specificity and AUC

From: Predictors of cervical myelopathy and hydrocephalus in young children with achondroplasia

Predictor

Cut-off point

Sensitivity (%)

Specificity (%)

AUC

Cervical myelopathy

FM AP

8.02 mm

92.3

69.2

0.862

Cord constriction ratio

0.25

76.9

80.8

0.821

Hydrocephalus

Posterior indentation

Grade 0

87.5

64.9

0.788

Frontal horn width

50.63 mm

75.0

91.2

0.758

  1. ROC Receiver operating characteristics, AUC area under the ROC curve, FM foramen magnum, AP anterior–posterior diameter
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Orphanet Journal of Rare Diseases

ISSN: 1750-1172