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24 August 2017 : Clinical Research  

Clinical Characteristics and Prognostic Factors in Bone Metastases from Lung Cancer

Li Zhang1BCDEF, Zhixin Gong1ACDEF*

DOI: 10.12659/MSM.902971

Med Sci Monit 2017; 23:4087-4094

Abstract

BACKGROUND: This study investigated the prognostic factors of bone metastases from lung cancer.

MATERIAL AND METHODS: From March 2014 to March 2015, 168 patients with bone metastases from lung cancer treated at our hospital were included and the clinical data were reviewed. The Kaplan-Meier survival curves were calculated and analyzed using the log-rank univariate test. Multivariate regression analysis was conducted using Cox’s regression model.

RESULTS: The overall median survival of the 168 patients was 13 months. The 1-year survival was 54.3% and the 2-year survival was 12.9%. Univariate regression analysis indicated that the pathologic types, number of bone metastases, clinical stage, ECOG scores, and serum ALP levels were significantly correlated with survival (P<0.05). Multivariate regression analysis indicated that the number of bone metastases, clinical stage, and serum ALP levels were significantly correlated with prognosis (P<0.05). The risk associated with multiple bone metastases was 1.72 times of that of single bone metastasis (P=0.029); the risk associated with advanced clinical stage was 1.49 times of that of early clinical stage (P=0.001); and the risk associated with a high serum ALP level was 1.75 times of that of the low serum ALP level (P=0.006).

CONCLUSIONS: Pathologic types, number of bone metastases, clinical stage, ECOG scores, and serum ALP levels were the prognostic factors for bone metastases from lung cancer.

Keywords: Kaplan-Meier Estimate, Neoplasm Metastasis

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750