Abstract
e15541 Background: Apolipoprotein b (apob), apolipoprotein a1 (apoa1), and lactate dehydrogenase (LDH) levels are circulating biomarkers that relate to tumor inflammation. This study aimed to evaluate the prognostic role of apob/apoa1 and LDH in resectable colorectal cancer (CRC). Methods: 513 patients of colorectal cancer (CRC) from Hubei cancer hospital were included finally, and we collected the pre-operative laboratory results within a week before surgery. We combined the two indicators and divided them into three groups (group 1: apob/apoa1-LDH low; group 2: apob/apoa1 or LDH high; group 3: apob/apoa1-LDH high). Kaplan-Meier survival analysis, univariate COX regression and multivariate COX regression were used to assess the prognoses of colorectal cancer patients. Results: The median follow-up was 35 months. Our study found that the prognosis of group 1 was better than group 2 in both overall survival (88.2% vs. 75.4% vs. 61.9%) (P≤0.001) and diseases-free survival (77.4% vs. 64.7% vs. 42.8%) (P≤0.001), and group 3 was the worst. By multivariate analysis, the new predictive marker obtained by combining apob/apoa1 and LDH could independently predict outcomes in CRC [overall survival: (HR: 1.487; 95% CI, 1.074-2.061); diseases-free survival (HR: 1.381; 95% CI, 1.045-1.827)]. Conclusions: New marker based on apob/apoa1 and LDH is useful for predicting the prognosis of patients with CRC. However, more research is needed in the future.
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