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. 2020 Oct 13;15:1939–1949. doi: 10.2147/CIA.S271969

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© 2020 Wang et al.

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Time-dependent receiver-operating curves for the multivariate Cox proportional hazard–regression models incorporating CDC grades or CCI to predict 5-year OS in elderly patients undergoing radical CRC surgery. (A) PSM cohort; (B) entire cohort excluding patients with CDC grade V POCs.