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Table 4 Statistical characteristics of Ottawa Ankle Rules

From: Validation of the Ottawa Ankle Rules in Iran: A prospective survey

  Sensitivity Specificity Likelihood ratio(+) Likelihood ratio(-) Predictive value(+) Predictive value(-)
Both zones 100% 40.50% 1.68 0 27.61% 100%
Malleolar zone 100% 40.50% 1.68 0 22.58% 100%
Midfoot zone 100% 56.00% 2.27 0 52.17% 100%
Concomitant injuries of both zones 100% 17.65% 1.21 0 22.22% 100%