AI Article Synopsis
- - The study aimed to create a new systemic inflammatory score (SIS) using ratios like neutrophil-to-lymphocyte (NLR), platelet-to-lymphocyte (PLR), and C-reactive protein/albumin ratio (CAR) to predict outcomes for patients undergoing esophageal cancer surgery.
- - Involving 102 patients, it found that a higher SIS (2-3) correlated with poorer survival compared to a lower SIS (0-1), with SIS showing the best prognostic power among the measures tested (AUROC of 0.732).
- - Additionally, the high-SIS group showed significant relationships with specific cytokine levels, such as lower IL-6 and higher IL-10
Article Abstract
Aim: To establish a novel systemic inflammatory score (SIS) combined with neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and C-reactive protein/albumin ratio (CAR) and to validate its prognostic value and relation with serum cytokine levels in patients who underwent esophagectomy for esophageal cancer (EC).
Patients And Methods: Preoperative NLR, PLR, and CAR were evaluated in 102 patients undergoing esophageal resection for EC from 2009 to 2014. Receiver operating characteristic (ROC) curves censored for 5-year survival were plotted to determine the cutoff values of each measure. Each measure was scored 1 if it was above the cutoff value (NLR >3.12, PLR >230, and CAR >0.085) and scored 0 if it was below that. The SIS was defined as the sum of these values and was divided into the two groups: High SIS (SIS=2-3) and low SIS (SIS=0-1). Univariate and multivariate analyses were used to determine the prognostic significance. The area under the ROCs (AUROC) was compared to verify the discriminative power of survival prediction. In addition, we analyzed the relationship between SIS and perioperative serum interleukin (IL)-6 and IL-10 levels.
Results: In the clinicopathological findings, only tumor depth was significantly related to SIS (p=0.004). At 0.732, the AUROC of SIS was the highest (NLR=0.618, PLR=0.545), and CAR=0.712). The high-SIS group had a significantly poorer prognosis than the low-SIS group (p=0.011). SIS was identified as an independent prognostic factor in the multivariate analysis (hazard ratio=1.96, 95% confidence intervaI=1.11-3.41, p=0.020). The preoperative serum interleukin-6 level was significantly low (p=0.046) and postoperative serum interleukin-10 level was significantly high in the high-SIS group (p=0.047).
Conclusion: SIS was a superior predictor of prognosis compared with existing immunoinflammatory markers and closely reflected the fluctuation of peripheral inflammatory cytokines in patients with EC.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7811597 | PMC |
| http://dx.doi.org/10.21873/invivo.12218 | DOI Listing |
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