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Annals of Surgical Oncology

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Preoperative Hematocrit (HCT) is a Novel and Simple Predictive Marker for Gastric Cancer Patients Who Underwent Radical Gastrectomy

Jian-Xian Lin PhD, Jun-Peng Lin MD, Jian-Wei Xie PhD, Jia-bin Wang PhD, Jun Lu PhD, Qi-Yue Chen MD, Long-long Cao MD, Mi Lin MD, Ruhong Tu MD, Chao-Hui Zheng PhD, Chang-Ming Huang MD, Ping Li PhD
Gastrointestinal Oncology
Volume 26, Issue 12 / November , 2019

Abstract

Background

Previous studies have suggested that preoperative anemia negatively influences survival in patients with gastric cancer (GC). We sought to investigate which anemic markers can better predict the prognosis of patients with resectable GC.

Methods

The study involved 2277 GC patients who underwent curative resection between December 2008 and December 2014. Cox regression models were used to identify the best anemic markers associated with prognosis. Time-dependent receiver operating characteristics analysis (t-ROC) and the estimated area under the curve (AUC) were used to compare the prognostic values.

Results

Of all patients, 1709 (75.1%) were male, and the median age was 61 years. Univariate analyses showed that preoperative hematocrit (HCT), hemoglobin, and mean corpuscular volume were associated with OS (all P < 0.05). However, in a separate analysis of individual stages, only HCT was shown to be significantly prognostic across all tumor stages (all P < 0.05). In the multivariate analysis, preoperative HCT remained an independent prognostic factor for GC. Low HCT was significantly associated with older age, female sex, lower body mass index, higher American Society of Anesthesiologists score, higher preoperative transfusion rate, 90-day mortality, adjuvant chemotherapy, larger tumor size, lymph node metastasis, later stage, and vascular involvement. The t-ROC curve and AUC for HCT were similar to those for the controlling nutritional status and prognostic nutritional index throughout the observation period.

Conclusions

The preoperative HCT is a novel, simple, and powerful prognostic indicator of poor outcome in patients with GC and can be used as a part of the preoperative risk stratification process.

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