Of note, underweight was an independent risk factor for DFS (HR = 1.623; 95% CI 1.034–2.548; p = 0.035), and had a trend to be an independent risk factor for OS (HR 1.594; 95% 0.954–2.663; p = 0.075), although it did not reach statistical significance.
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The effect of BMI on long-term outcome in patients with rectal cancer and establishment of a nomogram prediction model.
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