A new inflammation index is useful for patients with esophageal squamous cell carcinoma
نویسندگان
چکیده
BACKGROUND The prognostic value of inflammation indexes in esophageal cancer has not been established. Recent studies have shown that the advanced lung cancer inflammation index (ALI) is a useful predictive factor. The purpose of the current study was to determine whether the ALI is useful for predicting long-term survival in patients with esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS A total of 293 patients who had undergone esophagectomy for ESCC were included. The ALI was calculated as body mass index × serum albumin/neutrophil-to-lymphocyte ratio. Then, patients were divided into two groups: ALI ≥18 and ALI <18. The Kaplan-Meier method was used to calculate the cancer-specific survival (CSS), and the difference was assessed by the log-rank test. Univariate and multivariate analyses were performed to evaluate the prognostic factors. RESULTS In our study, there were 120 patients with ALI <18 and 173 patients with ALI ≥18. ALI was significantly higher in patients with large tumors (P=0.028), poor differentiation (P=0.010), deep invasion (P=0.009), and nodal metastasis (P=0.004). The 5-year CSS was 34.5% in our study. Patients with ALI <18 had a significantly poorer 5-year CSS compared to ALI ≥18 (21.7% versus 43.4%, P<0.001). On multivariate analysis, we showed that the ALI was a significant predictive factor of CSS (P=0.024). CONCLUSION The ALI is still a useful predictive factor for long-term CSS in patients with ESCC. However, the prognostic value of the ALI is yet to be formally tested within randomized trials.
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