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Table 3 Diagnostic validity of the PIS for RLPD

From: The accuracy of multiple regression models for predicting the individual risk of recurrent lateral patellar dislocation

 

Real situation

Positive

Negative

Patellar instability severity (PIS) Score

Positive

143

11

Negative

28

160

  1. The score’s sensitivity, specificity, positive predictive value, and negative predictive value were 83.6%, 93.6%, 92.9%, and 85.1%, respectively.