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Article

The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis

  • Authors:
    • Shouyu Wang
    • Zhen Zhang
    • Fengqi Fang
    • Xue Gao
    • Wei Sun
    • Huanran Liu
  • View Affiliations / Copyright

    Affiliations: Department of Surgery, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P.R. China, Department of Phymatology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P.R. China, Department of Diagnostic Pathology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P.R. China, Department of Nephrology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P.R. China
  • Pages: 735-740
    |
    Published online on: May 13, 2011
       https://doi.org/10.3892/ol.2011.304
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Abstract

Patients with the most common advanced human cancers such as lung, breast, uterus, and cancers of the digestive system almost always develop bone metastases, with painful and untreatable consequences. This study aimed to determine the prognostic implications of the neutrophil/lymphocyte (N/L) ratio in the peripheral blood of patients with malignant bone metastasis. Study participants were identified from a prospective cohort of cancer patients with bone metastasis. Data for the N/L ratios were obtained from clinical and pathological records and were analyzed together with other known prognostic factors in the multivariate and univariate analyses. The results showed the average N/L ratio of all 497 patients to be 4.25±2.44 (range 0.54-45.50 years). Multivariate analysis revealed that tumor type and a high N/L ratio were significantly associated with poor prognosis. For the high N/L ratio group, the estimated hazard ratio of death was 1.348 [95% confidence interval (CI), 1.062-1.712] compared with the low N/L ratio group. The average N/L ratio of the 225 patients in the surgery group was 2.79±2.46 (range 0.77-22.75 years). Multivariate analysis revealed that a preoperatively high N/L ratio (P=0.013; HR=2.945; 95% CI, 1.256-6.906) was significantly associated with poor prognosis after bone metastasis in the surgery group. In conclusion, the N/L ratio was confirmed to be an independent prognostic factor in patients with bone metastasis. Thus, the N/L ratio may serve as a clinically accessible and useful biomarker for patient survival.
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Copy and paste a formatted citation
Spandidos Publications style
Wang S, Zhang Z, Fang F, Gao X, Sun W and Liu H: The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis. Oncol Lett 2: 735-740, 2011.
APA
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., & Liu, H. (2011). The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis. Oncology Letters, 2, 735-740. https://doi.org/10.3892/ol.2011.304
MLA
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., Liu, H."The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis". Oncology Letters 2.4 (2011): 735-740.
Chicago
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., Liu, H."The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis". Oncology Letters 2, no. 4 (2011): 735-740. https://doi.org/10.3892/ol.2011.304
Copy and paste a formatted citation
x
Spandidos Publications style
Wang S, Zhang Z, Fang F, Gao X, Sun W and Liu H: The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis. Oncol Lett 2: 735-740, 2011.
APA
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., & Liu, H. (2011). The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis. Oncology Letters, 2, 735-740. https://doi.org/10.3892/ol.2011.304
MLA
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., Liu, H."The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis". Oncology Letters 2.4 (2011): 735-740.
Chicago
Wang, S., Zhang, Z., Fang, F., Gao, X., Sun, W., Liu, H."The neutrophil/lymphocyte ratio is an independent prognostic indicator in patients with bone metastasis". Oncology Letters 2, no. 4 (2011): 735-740. https://doi.org/10.3892/ol.2011.304
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