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Q In patients with acute knee injuries, is the Ottawa knee rule (OKR) accurate for ruling out knee fractures?
Clinical impact ratings GP/FP/Primary care ★★★★★☆☆ Emergency medicine ★★★★★☆☆ IM/Ambulatory care ★★★★★☆☆
Medline and PreMedline (1966 to January 2003), CINAHL (1982–2003), EMBASE/Excerpta Medica (1980–2003), Biosis (1990–2003), the Cochrane Library (2002), and the Science Citation Index database; reference lists; and experts.
Study selection and assessment:
studies in any language that assessed the OKR, investigated fractures confirmed radiographically or in combination with follow up; and reported enough information to calculate sensitivity, specificity, and likelihood ratios. Study quality was ranked as high quality (level 1 = consecutive patient enrolment, reference standard test done on all patients, radiographic assessment of fracture done blinded to …
For correspondence: Dr L M Bachmann, Zurich University, Zurich, Switzerland.
Source of funding: no external funding