Emergency medicine journal : EMJ
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Review Meta Analysis
Can the Ottawa knee rule be applied to children? A systematic review and meta-analysis of observational studies.
The Ottawa knee rule (OKR), a clinical decision aid is used to reduce unnecessary radiography. It is not clear whether this rule can be applied to children. ⋯ The OKR has high sensitivity and adequate specificity for children over the age of 5 years. There are not enough good data to advocate application of the OKR in children less than 5 years.