Background/aim: In addition to oncological and treatment factors, the outcomes of cancer treatment are greatly influenced by host factors, such as the nutritional status. The aim of this study was to evaluate the association between the preoperative nutritional status and the prognosis of colorectal cancer patients using three nutritional indices.
Patients And Methods: The target cohort consisted of 529 patients with stage I-III colorectal cancer, who underwent curative surgery between January 2015 and December 2019. The nutritional indices were calculated according to the equations that follow. Prognostic nutritional index (PNI)=10×serum albumin concentration (g/dl) +0.005×peripheral lymphocyte count (/μl). Nutritional risk index (NRI)=15.19×serum albumin concentration (g/dl)+41.7×present weight/usual weight. Geriatric nutritional risk index (GNRI)=14.89×serum albumin concentration (g/dl)+41.7×present weight/ideal weight. Ideal weight was calculated as follows: height(cm)-100-[(height(cm)-150)/4] for men and height(cm)-100-[(height(cm)-150)/2.5] for women.
Results: In common with all nutritional indices (PNI, NRI and GNRI), the low-nutritional index group had significantly lower relapse-free and overall survival rates than the high-nutritional index group. Furthermore, a subgroup analysis according to the NRI showed the association of the NRI with the patient prognosis for each stage.
Conclusion: The preoperative nutritional status may have a close relationship with the prognosis in patients who receive curative surgery for colorectal cancer.
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| http://dx.doi.org/10.21873/invivo.13265 | DOI Listing |
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