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이대근,문성미,이경종,최용수,김태정 대한결핵 및 호흡기학회 2016 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.121 No.-
Background: Transthoracic needle biopsy (TTNB) is a useful modality for pathologic diagnosis of lung cancer. A risk of pleural dissemination after TTNB has been reported but remains a controversial issue. This study aimed to investigate whether the TTNB procedure increases the risk of ipsilateral pleural recurrence after curative resection and to identify the risk factors of pleural dissemination. Methods: We retrospectively reviewed the clinical outcomes of p-stage I non-small cell lung cancer(NSCLC) patients who received curative lung resection for treatment between January 2009 and December 2010 at Samsung Medical Center. Patients were divided into two groups, TTNB or non-TTNB, according to the procedure received before surgery. We performed inverse- probability-of treatment weighting analysis to reduce selection bias for each group. Multivariate Cox regression analysis was used to determine the association between TTNB and ipsilateral pleural recurrence. Result: Of the total 393 patients, 243 underwent TTNB before curative surgery, while the remaining 150 underwent bronchoscopic or open lung biopsy or had a clinical diagnosis. Of the 26 patients with ipsilateral pleural recurrence, 23 patients were in the TTNB group (23/243, 9%), whereas the remaining patient was in the non-TTNB group (3/150, 2%). Multivariate Cox analysis revealed, TTNB (adjusted hazard ratio[HR], 4.655; 95% CI, 1.450 to 14.946; p=0.01), microscopic lymphatic invasion (adjusted HR, 3.377; 95% CI, 1.381 to 8.261; p=0.008) were risk factor for ipsilateral pleural recurrence. Conclusion: The TTNB procedure and microscopic lymphatic invasion were related to and increased the risk of ipsilateral pleural recurrence in stage I NSCLC after curative resection in this study.
정보시스템 성공요인이 카지노정보시스템의 보안신뢰와 직무만족을 통해 경영성과에 미치는 영향
이대근,황찬규 한국디지털정책학회 2016 디지털융복합연구 Vol.14 No.9
This study explored the performance factors of casino information systems for foreigners, empirically examined the causal relation between these factors and the business performances through organizational trust and job satisfaction and suggested a direction to enhance the casino information systems. The result of this study showed that, firstly, information quality impacted positively on security reliability and job satisfaction. Secondly, system quality impacted positively on security reliability and job satisfaction. Thirdly, service quality impacted positively on security reliability and job satisfaction. Fourthly, security reliability impacted positively on job satisfaction through security reliability. Lastly, security reliability and job satisfaction impacted positively on business performance. This research must be continued by expanding upon the variables of this research study, and there is a need for follow up research on methods that can analyze the management performance of casino information systems from a diverse set of approaches and also research that conducts an analysis on systems that are implemented to prevent tax evasion. 본 연구는 국내 외국인 카지노 이용자를 위한 카지노 정보시스템의 성과요인을 파악하고, 이들 요인들이 조직 신뢰와 직무만족을 통하여 경영성과에 영향을 미치는 인과관계를 실증적으로 검증하여, 카지노 정보시스템의 발전방안을 제시하고자 한다. 연구결과 첫째, 정보 품질은 보안 신뢰와 직무 만족에 유의 수준에서 채택되는 것으로 나타났다. 둘째, 시스템 품질은 보안신뢰와 직무 만족에 유의 수준에서 채택되는 것으로 나타났다. 셋째, 서비스 품질은 보안 신뢰와 직무 만족에 유의 수준에서 채택되는 것으로 나타났다. 넷째, 보안신뢰는 직무만족에 유의 수준에서 채택되는 것으로 나타났다. 다섯째, 보안 신뢰와 직무 만족은 경영성과에 유의 수준에서 채택되는 것으로 나타났다. 향후 연구 방향은 본 연구의 각 변수들을 확장하여 연구를 지속적으로 진행해야 하며, 카지노 정보시스템의 경영 성과를 다 방향으로 분석할 수 있는 방법과 탈세 방지를 위한 시스템을 분석하는 연구가 필요할 것이다.