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The relative proportion of articular surface area experiencing supra-threshold contact stress, associated with a stress-time exposure in excess of 3MPa-s, agreed closely with the two-year KL score, and was perfectly predictive of OA status. [Reprinted with permission from Anderson DD et al. Is elevated contact stress predictive of post-traumatic osteoarthritis for imprecisely reduced tibial plafond fractures? J Orthop Res. 29:33-9, 2011.68]
