Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2025
Reliability and Methodological Advancements in the 2024 AMA Guides for Rating Lower Limb Impairment.
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Melhorn J Mark, Gelinas Barry, Martin Douglas W, Hegmann Kurt T, Thiese Matthew S
Аннотация
OBJECTIVE: To determine the ease of use, accuracy, consistency, reliability, and reproducibility for rating lower limb conditions when transitioning to the AMA Guides to the Evaluation of Permanent Impairment (AMA Guides) Sixth Edition 2024 developed using the RAND/UCLA modified Delphi Appropriateness Method compared with the AMA Guides Sixth Edition 2008.
METHODS: Three physician experts and four premedical students completed two rounds of impairment ratings using methods from the AMA Guides Sixth Edition 2008 versus the AMA Guides Sixth Edition 2024. Impairment values and completion times for each method were compared across groups.
RESULTS: For experts, the average time to complete an impairment rating was 4.1 minutes using the AMA Guides Sixth Edition 2024 compared with 16.7 minutes using the AMA Guides Sixth Edition 2008, maintaining 100% accuracy and reliability for both methods. Premedical students averaged 5.3 minutes with the AMA Guides Sixth Edition 2024 and 24.0 minutes with the AMA Guides Sixth Edition 2008, showing increased accuracy, consistency, reliability, and reproducibility with AMA Guides 2024.
CONCLUSION: The AMA Guides Sixth Edition 2024 represents a notable advancement in impairment evaluation, offering a more efficient, accurate, and reliable system for lower limb impairment assessments. This update not only benefits healthcare providers and patients but also sets a new standard in occupational health by preserving the accuracy, consistency, reliability, and reproducibility of impairment ratings while streamlining the evaluation process.
METHODS: Three physician experts and four premedical students completed two rounds of impairment ratings using methods from the AMA Guides Sixth Edition 2008 versus the AMA Guides Sixth Edition 2024. Impairment values and completion times for each method were compared across groups.
RESULTS: For experts, the average time to complete an impairment rating was 4.1 minutes using the AMA Guides Sixth Edition 2024 compared with 16.7 minutes using the AMA Guides Sixth Edition 2008, maintaining 100% accuracy and reliability for both methods. Premedical students averaged 5.3 minutes with the AMA Guides Sixth Edition 2024 and 24.0 minutes with the AMA Guides Sixth Edition 2008, showing increased accuracy, consistency, reliability, and reproducibility with AMA Guides 2024.
CONCLUSION: The AMA Guides Sixth Edition 2024 represents a notable advancement in impairment evaluation, offering a more efficient, accurate, and reliable system for lower limb impairment assessments. This update not only benefits healthcare providers and patients but also sets a new standard in occupational health by preserving the accuracy, consistency, reliability, and reproducibility of impairment ratings while streamlining the evaluation process.