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J Cancer. 2016 Feb 20;7(5):538-45. doi: 10.7150/jca.14206. eCollection 2016.

The Lymphocyte-Monocyte Ratio Predicts Patient Survival and Aggressiveness of Endometrial Cancer.

Journal of Cancer

Wan Kyu Eo, Sanghoon Kwon, Suk Bong Koh, Min Jeong Kim, Yong Il Ji, Ji Young Lee, Dong Soo Suh, Ki Hyung Kim, Heung Yeol Kim

Affiliations

  1. 1. Department of Internal Medicine, College of Medicine, Kyung Hee University, Seoul, Korea.
  2. 2. Department of Obstetrics and Gynecology, Keimyung University, School of Medicine, Daegu, Korea.
  3. 3. Department of Obstetrics and Gynecology, Catholic University of Daegu, School of Medicine, Daegu, Korea.
  4. 4. Department of Obstetrics and Gynecology, The Catholic University of Korea, Seoul, Korea.
  5. 5. Department of Obstetrics and Gynecology, College of Medicine, Inje University, Busan, Korea.
  6. 6. Department of Obstetrics and Gynecology, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea.
  7. 7. Department of Obstetrics and Gynecology, Pusan National University School of Medicine; Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
  8. 8. Department of Obstetrics and Gynecology, College of Medicine, Kosin University, Busan, Korea.

PMID: 27053952 PMCID: PMC4820730 DOI: 10.7150/jca.14206

Abstract

OBJECTIVE: We assessed the prognostic implications of preoperative lymphocyte-monocyte ratio (LMR) in patients with endometrial cancer (EC).

METHODS: We retrospectively examined the LMR as a prognostic variable in a cohort of 255 patients with EC who underwent surgical resection. Patients were categorized into two groups according to the LMR (LMR-low and LMR-high) using cutoff points determined by receiving operator characteristic (ROC) curve analysis. The primary objective was to correlate the LMR to clinicopathological factors; the secondary objective was to determine the survival significance of the LMR in patients with EC.

RESULTS: Using data from the entire cohort, the most discriminative LMR cutoff value selected on the ROC curve was 3.28 for both disease-free survival (DFS) and overall survival (OS). The LMR-low and LMR-high groups included 33 (12.9%) and 222 patients (87.1%), respectively. The 5-year DFS rates in the LMR-low and LMR-high groups were 64.5 and 93.9% (P < 0.0001), respectively, and the 5-year OS rates in the two groups were 76.7 and 96.5% (P < 0.0001), respectively. On multivariate analysis, we identified histologic grade, International Federation of Gynecology and Obstetrics (FIGO) stage, and LMR levels as the strongest prognostic factors affecting DFS (P = 0.0037, P < 0.0001, and P < 0.0001, respectively), and FIGO stage and the LMR as the strongest prognostic factors predicting OS (P < 0.0001 and P < 0.0001, respectively).

CONCLUSION: The LMR is an independent prognostic factor for both DFS and OS after surgical resection, and it provides additional prognostic value beyond standard clinicopathological parameters.

Keywords: Endometrial Cancer; Lymphocytes; Monocytes

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