Why we need Level V evidence

By Greg A. Brown, MD, PhD

Orthopaedic biomechanics research in the era of evidenced-based medicine

In the current evidence-based medicine (EBM) environment, the emphasis is on Level I research, which is sorely lacking in orthopaedics. Both expert opinion and basic science research are classified as Level V evidence, the lowest level. But they couldn’t be farther apart in their appropriateness to orthopaedics.

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