Author of

• 20140

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  MA 18 - Global Tobacco Control and Epidemiology II (ID 676)

  • Event: WCLC 2017
  • Type: Mini Oral
  • Track: Epidemiology/Primary Prevention/Tobacco Control and Cessation
  • Presentations: 1
  • Moderators:H. Kawai, Christian Klaus Manegold
  • Coordinates: 10/17/2017, 15:45 - 17:30, Room 511 + 512

  • 23791

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    MA 18.07 - Disparity in Prognostic Factors After Pulmonary Resection in Non-Small Cell Lung Cancer Between Asian and White Patients (ID 10080)

    16:25 - 16:30  |  Author(s): A.J. Kaufman
    • Abstract
    • Presentation
    • Slides

    Background:
    Overall survival and in-hospital mortality in resectable non-small cell lung cancer (NSCLC) patients varies with race. Asian patients have a better overall survival compared with White and Black patients, however, the prognostic factors contributing to these differences are still under studied. The aim of this study was to identify race-specific prognostic factors of overall mortality and in-hospital mortality in resectable NSCLC patients.
    
    Method:
    Using the Surveillance, Epidemiology, and End Results Registry linked to Medicare claims between 1991-2010, 35,461 NSCLC patients who underwent pulmonary resection were extracted. Factors associated with in-hospital mortality and overall mortality stratified by Asian and White were analyzed by multivariable logistic regression analysis and multivariable cox regression analysis, respectively.
    
    Result:
    Factors associated with in-hospital mortality in Asian patients were age ≥ 80 years (adjusted odd ratios (OR~adj~)=5.8, 95% Confidence interval (CI)=1.59-21.23), stage III disease (OR~adj~=3.93, 95%CI=1.55-9.96), lower lobe lesion (OR~adj~=3.52, 95%CI=1.54-8.02), pneumonectomy (OR~adj~=11.12, 95%CI=2.61-47.34), postoperative pulmonary complication (OR~adj~=5.39, 95%CI=2.51-11.56), postoperative infections (OR~adj~=28.19, (95%CI=10.62-74.83), and intraoperative complication (OR~adj~=10.87, 95%CI=2.64-44.79). In White patients factors associated with in-hospital mortality were old age, male gender, higher comorbidity index, advanced stage, non-teaching hospital, lower hospital volume, pneumonectomy, preoperative radiotherapy, postoperative and intraoperative complications. Factors associated with overall mortality in Asian patients were age ≥ 80 years (HR~adj~=1.63, 95%CI=1.23-2.16), higher Elixhauser comorbidity index (HR~adj~=1.02, 95%CI=1.01-1.04), lower median income, stage (HR~adj~(95%CI) =1.89(1.41-2.54) for stage II, 2.19(1.69-2.83) for stage III, and 3.85(2.59-5.73) for stage IV versus stage I), non-teaching hospital, and receiving radiotherapy (HR~adj~=1.76,95%CI=1.35-2.30). In White patients, factors associated with overall mortality included old age, male gender, single status, higher comorbidity index and score, lower median income, higher stage, non-squamous cell carcinoma, higher tumor differentiation, location of tumor, lower hospital volume, pneumonectomy, no mediastinal lymph node dissection, and receiving chemotherapy or radiotherapy.
    
    Conclusion:
    Race specific differences in number and type of prognostic factors for in-hospital and overall mortality point at biological differences in the tumor as well as differences in treatment.
    
    

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