The accuracy of the Ottawa Knee Rule to rule out knee fractures: a systematic review.
Applicability of Ottawa Knee Rule for knee injury in children.
Using the Ottawa Knee Rules, an x-ray series is only required for knee-injury patients with any one of the following findings:
The Ottawa Knee Rules can also be used in an aerobics studio to determine the extent of an injury.
In a previous study applying the Ottawa knee rules
to children, 14 fractures among 231 children with knee injuries were seen.
The Ottawa Knee Rules may reduce the number of radiographs by 50% in settings in which radiographs are obtained on most or all patients with knee pain.
Physicians tend to get radiographs for everybody with knee pain, but the orthopedist in the clinic suggests using the Ottawa Knee Rules (OKB).
Interrater reliability for the Ottawa knee rules
and the evaluation to ambulate that is used in the Pittsburgh rule have been evaluated in a previous study and found to be satisfactory.