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이화운,김유근,정우식,오은주,임헌호,노순아,반수진,최현정,김민선,김헌숙 부산대학교 환경문제연구소 2002 環境硏究報 Vol.20 No.-
In the view of the results investigated the effect of air pollutants that is emitted from a new generator facilities, the total estimated concentration which is the summation of a contributional concentration and observational concentration is much less than that of atmospheric environment criterion for the air pollutants. So we can predict that the operation of the new generator facilities with mitigation equipment don't seriously affect around environment. At the same time, we compared the contributional concentration of before mitigation equipment with that of after it to examine the decreasing amount due to mitigation equipment. The result showed that the concentration of SO2, NO2 and PM-10 is reduced to 25%, 30% and 26% of original value, respectively.
Chronic Obstructive Pulmonary Disease as a Predictor of Lung Cancer Mortality
( Hee Jung Ban ),( Yun Hee Kim ),( Yu Il Kim ),( Hyun Wook Kang ),( Jin Yeong Yu ),( Bo Ram Lee ),( Woo Jin Kim ),( Hee Jung Ban ),( Yong Soo Kwon ),( In Jae Oh ),( Kyu Sik Kim ),( Young Chul Kim ),( 대한결핵 및 호흡기학회 2012 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.114 No.-
Background: COPD has reported as a risk factor of lung cancer. However, there is limited data whether COPD can be a predictor of mortality in lung cancer. This study was performed to investigate that COPD can affect the mortality of the patiens with lung cancer. Methods: Patients who were diagnosed with lung cancer during Jan 2007 to Dec 2008 at Chonnam University Hawsun Hospital were analyzed retrospectively. We collected data gender, age, BMI, smoking history, TNM stage, treatment method, spirometry result and identified the state of death. Hazard ratio of mortality in lung cancer patients were calculated for each variables including COPD stage by Cox proportional hazards regression. Results: The variables significantly associated with mortality of patients with lung cancer were gender, age, BMI, smoking history, TNM stage, treatment method, COPD stage by GOLD in univariated analysis. In multivariated analysis, age, BMI, TNM stage, treatment method, and GOLD stage were the significant predictors of mortality in lung cancer. In the univariated analysis, the hazard ratio for normal stage was 1.24 (95% CI 0.92-1.65) in stage 1, 1.65 (95% CI 1.25-2.18) in stage 2, 2.33(95% CI 1.62-3.34) in stage 3. In the multivariated analysis, the hazard ratio for normal stage was 1.10 (95% CI 0.78-1.56) in stage 1, 1.33 (95% CI 0.96-1.85), in stage 2, 1.59 (95% CI 1.04-2.44) in stage 3. Conclusion: This study suggests that COPD is one of the significant factors that predict mortality of lung cancer. COPD should be noted for the reduction of mortality of lung cancer.