Alb-dNLR Score as a Novel Prognostic Marker for Patients With Locally Advanced Rectal Cancer Undergoing Neoadjuvant Chemoradiotherapy.
Anticancer research(2024)
Abstract
BACKGROUND/AIM:The albumin and derived neutrophil-to-lymphocyte ratio (Alb-dNLR) score, which combines an inflammation index with a nutritional index, has recently been reported as a useful prognostic marker in various cancers. However, evaluation of the usefulness of Alb-dNLR score in patients with locally advanced rectal cancer (LARC) undergoing neoadjuvant chemoradiotherapy (NACRT) has not been reported yet.
PATIENTS AND METHODS:This retrospective study included 69 patients with LARC undergoing NACRT followed by surgery between November 2005 and July 2020. The cutoff value of the Alb-dNLR score for relapse-free survival (RFS) was determined using a receiver operating characteristic curve. Patients were divided into high and low Alb-dNLR-score groups and analyzed for RFS and overall survival (OS).
RESULTS:A total of 10 patients had high Alb-dNLR scores, and 59 had low Alb-dNLR scores. The high Alb-dNLR-score group had significantly higher rates of open surgery (70.0% vs. 28.8%; p<0.026), greater intraoperative blood loss (2,009 g vs. 421 g; p<0.001), and longer postoperative hospital stays (70 days vs. 42 days, p=0.012) than those of the low-Alb-dNLR-score group. The high Alb-dNLR-score group further demonstrated significantly worse RFS and OS than the low Alb-dNLR-score group (both p<0.001). Multivariate analysis identified the Alb-dNLR score as the most independent prognostic factor for RFS (hazard ratio=5.27; 95% confidence interval=2.09-13.27; p<0.001).
CONCLUSION:The Alb-dNLR score is a valuable prognostic marker for predicting the oncological outcomes in patients with LARC undergoing NACRT.
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