Abstract
Purpose
Bone metastases (BM) is reported as the most frequent distant metastasis in non-small cell lung cancer (NSCLC), but the risk factors for the incidence and prognosis of BM patients in NSCLC have not been extensively elucidated. This study aimed to find risk factors to predict BM patients’ morbidity and survival outcome in NSCLC.
Methods
63,505 patients of NSCLC in the Surveillance, Epidemiology and End Results database diagnosed from 2010 to 2015 were used to analyze risk factors for developing BM by conducting multivariable logistic regression. Of these patients, 6152 and 5664 BM patients diagnosed between 2010 and 2014 were selected to investigate predictive factors for BM overall survival (OS) and cancer-specific survival (CSS) using the multivariable Cox proportional hazards regression.
Results
There were overall 7486 (11.79%) BM patients in NSCLC. The homogeneous risk factors for BM patients’ morbidity and survival outcome included male, higher T stage, lymph node involvement, poor differentiation grade, brain metastases, and liver metastases. Married status, adenocarcinoma type and lung metastases were positively correlated with BM incidence, while older age, white race, unmarried status, and SCC and other NSCLC types could predict poor OS and CSS of BM in NSCLC.
Conclusions
The homogeneous and heterogeneous risk factors for morbidity and survival outcome of BM patients could help physicians in more precise and individualized screening and therapies for BM patients in NSCLC.
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Abbreviations
- BM:
-
Bone metastases
- NSCLC:
-
Non-small cell lung cancer
- US:
-
The United States
- SEER:
-
Surveillance, epidemiology and end results
- OS:
-
Overall survival
- CSS:
-
Cancer-specific survival
- SREs:
-
Skeletal-related events
- NCCN:
-
National comprehensive cancer network
- K-M:
-
Kaplan–Meier
- OR:
-
Odds ratio
- CI:
-
Confidence interval
- MST:
-
Median survival time
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This study would like to thank the author’s lover Yue Zhang for her love, support and encouragement.
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Song, Q., Shang, J., Zhang, C. et al. Impact of the homogeneous and heterogeneous risk factors on the incidence and survival outcome of bone metastasis in NSCLC patients. J Cancer Res Clin Oncol 145, 737–746 (2019). https://doi.org/10.1007/s00432-018-02826-7
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DOI: https://doi.org/10.1007/s00432-018-02826-7