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박준용,이우현,남창우 한국계량경제학회 2003 계량경제학보 Vol.14 No.1
본고는 부동산요인(공급: 건축허가면적, 수요: 25-29세 인구비율), Fama and French(1992, 1993)가 제시한 주식요인(시장요인, SMB(규모요인), HML(가치요인)), 채권요인, 박준용·이우현·남창우(2001)의 방법에 따른 거시요인 중 어느 것이 아파트시장 규모별 초과수익률을 잘 설명하는가를 시계열상에서 분석하였다. 분석결과 주식요인을 제외한 채권요인, 부동산요인, 거시요인이 각각 통계적으로 유의한 설명력을 가짐을 발견하였다. 또한 거시변수 1% 포인트 변화에 대한 아파트시장 초과수익률의 % 포인트 민감도 분석을 실시한 결과 아파트시장 초과수익률은 무엇보다도 3년만기 회사채수익률로 대표되는 금리변화에 대해 통계적으로 유의하게 음의 반응을 보인다는 사실을 발견하였다.
대장내시경 검사를 통해 확인된 Yersinia Enterocolitica 장염 1예
박준용,박경남,한동수,이성희,손주현,최태열,강정옥 대한소화기내시경학회 1996 Clinical Endoscopy Vol.16 No.5
Yersinia enterocolitica is an important pathogen that causes a spectrum of clinical illnesses from simple gastroenteritis to invasive ileitis and colitis. Also it is important to differentiate endoscopic findings involving terminal ileum between inflammatory bowel diseases and infectious colitis. There were few reports about Y. enterocolitica infection confirmed by culture and serology in Korea. We report the first case, in Korea, of terminal ileitis and mesenteric lymphadenitis by Y. enterocolitica confirmed by colonoscopy, biopsy, tissue cultures, and serology in a 42-year-old woman complained vague abdominal discomfort and loose stool.
박준용,박경남,한동수,박일규,이민호,조윤주,최호순,윤병철,이오영,함준수,전용철,손주현,박영석,기춘석 대한소화기학회 1998 대한소화기학회지 Vol.30 No.3
Background/Aims: The guaiac test, the most available test for colorectal cancer screening, has low sensitivity for detecting colorectal cancer. Recently, some studies suggested that immunochemical fecal occult blood tests(FOBT) are more efficient at detecting colorectal cancer than the guaiac test. We compared the sensitivity and specificity of FOBTs in symptomatic patients with total colonos-copy to determine whether a guaiac test or immunochemial test has superior efficiency for colorectal cancer screening. Methods: Hemoccult II^(R)(Smithklein Diamostics) and OC-Hemodia^(R)(Eiken chemical co.) was performed or 356 symptomatic patients in whom total colonoscopy was indicated. All patients underwent total colonoscopy after FOBT. Results: Colorectal cancers were detected in 19 patients and polyps with diameter over 1cm were detected in 18 patients. The sensitivity of the test for detecting colorectal cancer was 42.11% in both of the tests, The specificity for colorectal cancer was 92.47%(95% confidence interval: 91.0 to 94.0%) with OC-Hemodia^(R)and 88.21%(95% CI:86.4 to 90.0%) with Hemoccult II^(R). The sensitivity of both FOBT was 20% for ascending colon cancer, 0% for transverse colon cancer, 25.% for descending colon cancer, and 57.14% for rectosigmoid colon cancer. The sensitivity for polyps was 5.56% with OC-Hemodia^(R) and 5.88% with Hemoccult II^(R). The specificity for polyps was 90.10% with OC-Hemodia^(R) and 92.37% with Hemoccult II^(R). Conclusions: OC-Hemodia^(R) has no superiority to Hemoccult II^(R) for detecting colorectal cancer and both of the tests were by far not a an ideal screening test for colorectal cancer. The evaluation of the effect of FOBT for early diagnosis and reducing mortality in colorectal cancer as a mass screening test should be performed.