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Table 2 Diagnosis of avulsion fracture using ultrasonography at the first visit in relation to reference diagnosis using follow-up radiography (n = 52)

From: Diagnosis of avulsion fractures of the distal fibula after lateral ankle sprain in children: a diagnostic accuracy study comparing ultrasonography with radiography

Ultrasonography at first visitRadiography at follow-up
(Reference standard)
Fracture (+)Fracture (−) 
Avulsion fracture (+)30333
Avulsion fracture (−)21719
  1. Values show the number of patients