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최상섭 大韓神經精神醫學會 1978 신경정신의학 Vol.17 No.3
One hundred and five attempted escapes made by 44 mental patients from Neuro-Psychiatric ward of E-Wha University Hospital during the period from 1973, Apr. 1 to 1978 Mar. 31 with available chart records were reviewed. The ward has 20 beds. The personnels were 2 board specialists, 4 residents, 5 nurses, 3male aides, one clinical psychologist and 8 to 12 students of medical and nursing schools and social work department. There was no sex difference. About 80% of the escapees were those in second and third decades of age. Seventy five % of them had had educational background of high school and college. Schizophrenia was the most frequent diagnosis, comprising 59.1% of the total subjects. Seventy five % of then had been admitted involuntarily, and for 84.1% of them the admission had been the first. Most of them had been placed on psychotherapy and drug therapy. About 89% of them had been visited and met during their hospitalization by their families reqularly or irregularly. Average length of their hospitalization was 43.5 days. Choice of time for their escapes was most frequently during the first week comprising 31.7% of the total attempts. It was mostly in the evening or in day time. Weekends and days of family visits; were frequently chosen. They usually escaped on foot in hospital gowns. Only 17% of them succeeded in going out of the hospital compound, and about one quarter of the total attempted escapes were successful. Most of the escapes were detected by ward personnels; about 81% was detected within 15 minutes but about 10% was detected over one hour after the attempt. Most of them returned to the hospital but 6.7% of them failed to return. About 59% of the families were cooperative in returning the patients to hospital but 9% of them were overtly reluctant to return the patients. Two escape attempters were physically injured during the escapes. On returning to the ward, 87.6% of them resumed stability by interview alone without resort to physical restraint or additional emergency medication. Seventy five % of them were followed up at this O.P.D.
논문집 초록 : 학술발표일정 ; 3. 포스터발표 : 주성분회귀 분석법에 의한 계면활성제의 동시 정량
최상섭,이상학,손범목,김영선,서정기 한국환경관리학회 2003 하계학술연구발표회 Vol.2003 No.-
흡수분광법을 이용하여 얻은 스펙트럼을 주성분 분석(principal analysis, PCA)하여 주성분과 주성분점수를 구하고, 구한 주성분점수와 농도를 회귀 분석하는 주성분 회귀분석법(principal component regression, PCR)으로 계면활성제를 동시에 정량 하는 방법에 대하여 연구하였다. 농도가 다른 두 가지 계면활성제가 혼합되어 있는 26개의 시료용액으로 400∼700nm 범위에서 흡수스펙트럼들을 측정하였고, 이들 스펙트럼을 이용하여 PCR 회귀모델을 얻었다. 회귀모델의 적합성을 검정하기 위하여 외부검정용 시료를 두 가지 계면활성제의 농도가 서로 다르게 5개를 제조하여 흡수스팩트럼을 얻어서 농도를 계산하였다. 계산된 농도를 이용하여 relative standard error of prediction(RSEPa)를 구하여 회귀모델의 적합성을 검정하였다. A spectrophotometric method for the simultaneous determination of surfactant based on the application of principal component regression has been studied. The calibration model in PCR was obtained from the spectral data in the range of 400∼700 nm for each standard of a calibration set of 26 standards, each containing different amounts of two surfactants. The relative standard error of prediction(RSEPa) was obtained to assess the model goodness in quantifying each analyte in a 5 validation samples which containing different amounts of two surfactants.