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. 2008 Jul 29;466(11):2833–2841. doi: 10.1007/s11999-008-0377-2

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© The Association of Bone and Joint Surgeons 2008

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Fig. 1A–B — (A) The bar chart shows the relationship between the preoperative risk score (PRS) and postoperative morbidity and mortality rates. The PRS correlated significantly with morbidity rates (ρ = 0.16, p < 0.0001) and mortality rates (ρ = 0.14, p = 0.0001). (B) The bar chart shows the relationship between the comprehensive risk score (CRS) and postoperative morbidity and mortality rates. The CRS correlated significantly with morbidity rates (ρ = 0.18, p < 0.0001) and mortality rates (ρ = 0.14, p = 0.0001).