| Abstrakt: |
Inflammation-based markers, including the C-reactive protein/albumin ratio (CAR), lymphocyte/monocyte ratio (LMR), neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), Onodera's prognostic nutritional index (PNI), and Glasgow Prognostic Score (GPS), have been demonstrated to serve as prognostic indicators in various malignancies. This study aimed to evaluate their potential predictive value for colorectal cancer (CRC) in the elderly. We retrospectively evaluated 163 patients with CRC, aged 80 years and older, who had undergone curative surgery. The receiver operating characteristic curve analyses and the corresponding areas under the curve (AUCs) were used to determine and compare the discriminatory ability of the inflammation-based markers. Besides, the associations of inflammatory markers and clinical characteristics with overall survival (OS), relapse-free survival (RFS), and cancer-specific survival (CSS) were analyzed. The CAR had a significantly larger AUC than the GPS, PLR, NLR, and LMR (p = 0.006, 0.012, 0.018, and 0.002, respectively), except for the PNI (p = 0.052). The optimal cut-off value was 0.106 for the CAR and 44.894 for the PNI. Moreover, a CAR ≥ 0.106 turned out to be significantly associated with worse 5-year OS, RFS, and CSS compared with a CAR < 0.106. The multivariate analysis indicated that the CAR ≥ 0.106 was an independent prognostic factor for poor OS (HR = 3.596, p = 0.0006), RFS (HR = 2.945, p = 0.003), and CSS (HR = 4.411, p = 0.02). CAR is a useful and promising prognostic marker in elderly patients undergoing curative surgery for CRC. [ABSTRACT FROM AUTHOR] |
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