• 대한간호학회지
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• 제42권3호
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• pp.434-442
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• 2012

Purpose: The purpose of this predictive study was to identify factors affecting health related quality of life (HRQoL) in patients with rheumatoid arthritis (RA). Methods: The participants in this study were 131 patients with RA who were recruited from the outpatient clinic of a university hospital in Seoul. Disease activity in rheumatoid arthritis was evaluated by calculating the Disease Activity Score 28. Disability in activities of daily living (ADL) was assessed with the Korean Health Assessment Questionnaire, and depression with The Center for Epidemiologic Studies Depression Scale. HRQoL was evaluated using The Short Form 36 Health Survey. Data were analyzed using descriptive statistics, correlation, and hierarchical multiple regression. Results: Pain, disability in ADL, disease activity, and depression correlated negatively with physical and mental dimensions of HRQoL. But hierachical multiple regression analysis revealed that disability in ADL and depression were the only variables negatively influencing physical and mental QoL after adjustment for influences of sociodemographic variables. Conclusion: Results of this study suggest that disability in ADL and depression, rather than disease activity and pain have profound effects on HRQoL in patients with RA. Further studies are needed to assess the predictive ability of disease activity and pain on HRQoL in this population.

• 대한간호학회지
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• 제49권3호
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• pp.298-306
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• 2019

Purpose: This study aimed to examine the levels of perceived self-management support, self-efficacy for self-management, and health-related quality of life (HRQoL) in cancer survivors, and to identify the mediating effect of self-efficacy in the relationship between perceived self-management support and HRQoL. Methods: This study used a descriptive correlational design. Two hundred and four cancer survivors who had completed treatment participated in the study. Measurements included the Patient Assessment of Chronic Illness Care Scale, the Korean version of the Cancer Survivors' Self-Efficacy Scale, and the Medical Outcomes Study Short Form-36. Data were analyzed using descriptive statistics, Pearson's correlation coefficient analysis, and multiple regression analysis using Baron and Kenny's method for mediation. Results: The mean score for perceived self-management support was 3.35 out of 5 points, self-efficacy was 7.26 out of 10 points, and HRQoL was 65.90 out of 100 points. Perceived self-management support was significantly positively correlated with self-efficacy (r=.29, p<.001) and HRQoL (r=.27, p<.001). Self-efficacy was also significantly correlated with HRQoL (r=.59, p<.001). Furthermore, self-efficacy (${\beta}=.55$, p<.001) had a complete mediating effect on the relationship between perceived self-management support and HRQoL (Z=3.88, p<.001). Conclusion: The impact of perceived self-management support on HRQoL in cancer survivors was mediated by self-efficacy for self-management. This suggests that strategies for enhancing self-efficacy in cancer survivors should be considered when developing self-management interventions for improving their HRQoL.

• Journal of Gastric Cancer
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• 제20권3호
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• pp.267-276
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• 2020

Purpose: The American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) risk calculator is useful in predicting postoperative adverse events. However, its accuracy in specific disorders is unclear. We validated the ACS NSQIP risk calculator in patients with gastric cancer undergoing curative laparoscopic surgery. Materials and Methods: We included 207 consecutive early gastric cancer patients who underwent laparoscopic gastrectomy between January 2018 and January 2019. The preoperative characteristics and risks of the patients were reviewed and entered into the ACS NSQIP calculator. The estimated risks of postoperative outcomes were compared with the observed outcomes using C-statistics and Brier scores. Results: Most of the patients underwent distal gastrectomy with Roux-en-Y reconstruction (74.4%). We did not observe any cases of mortality, venous thromboembolism, urinary tract infection, renal failure, or cardiac complications. The other outcomes assessed were complications such as pneumonia, surgical site infections, any complications requiring re-operation or hospital readmission, the rates of discharge to nursing homes/rehabilitation centers, and the length of stay. All C-statistics were <0 and the highest was for pneumonia (0.65; 95% confidence interval: 0.58-0.71). Brier scores ranged from 0.01 for pneumonia to 0.155 for other complications. Overall, the risk calculator was inconsistent in predicting the outcomes. Conclusions: The ACS NSQIP surgical risk calculator showed low predictive ability for postoperative adverse events after laparoscopic gastrectomy for patients with early gastric cancer. Further research to adjust the risk calculator for these patients may improve its predictive ability.

• 한국비블리아학회지
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• 제29권4호
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• pp.57-68
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• 2018

국내 건설시장의 침체가 예상되는 상황에서 지속적으로 국내 중소엔지니어링 기업의 해외시장으로의 진출을 지원하기 위해 해외건설엔지니어링 정보시스템(OVICE)이 운영되고 있다. 이에 본 연구에서는 기존 연구를 통해 수행된 전문가 설문조사를 통한 필요정보 우선순위와 정보시스템 사용자 통계를 비교하여 정보시스템의 정보제공 방향성을 제시하여 정보서비스 품질을 높이고자 하였다. 정보시스템의 이용 통계 분석에 있어서, 우선순위를 매기기 힘든 통계분석의 효율성을 높이기 위해 K-means Clustering 기법을 분석에 활용하였다. 그 결과 기존 설문결과와 정보시스템 이용 통계의 차이를 분석하여 정보시스템의 정보제공에서의 보완점과 함께 설문조사 과정에서 부각되지 않았던 중요한 콘텐츠를 찾아낼 수 있었다.

• 환경영향평가
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• 제27권4호
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• pp.353-366
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• 2018

본 연구의 목적은 임진강 수질오염총량관리제도를 위한 단위유역의 2012년 1월부터 2016년 12월까지 유량과 수질자료를 통계분석기법에 이용하여 수질특성을 평가하는 것이다. 유량과 수질은 평균 8일 간격으로 측정하였으며 11개 항목을 상관분석, 주성분 분석, 요인분석, 군집분석에 사용하였다. 군집분석의 결과 공간변화에 따라 자연형 하천, 도시형 하천, 점오염원 영향이 큰 지점 등으로 3개의 그룹으로 분류되었으며, 오염원의 종류와 수질 유사성이 군집 분류에 영향을 미치는 것으로 나타났다. 일원 분산분석과 사후검정을 이용하여 군집간의 평균사이에는 통계적으로 유의한 수준의 차이가 있는 것으로 나타났다. 상관분석에서 $COD_{Mn}$와 TOC의 상관계수가 0.951(p<0.01)로 상관성이 통계적으로 유의하게 높게 나타났다. 주성분 분석 결과 3개의 주성분으로 전체 수질특성의 72%를 설명할 수 있으며 요인분석에서 주요 요인은 EC, $BOD_5$, $COD_{Mn}$, TN, TP, TOC 항목으로 나타나 유기물과 영양염류 간접지표가 수질에 영향을 미치는 것으로 나타났다. 본 연구에서 요인점수를 다중 선형회귀분석에 적용하여 회귀 방정식을 제시하고 임진강 유역 수질관리에 유기물 및 영양염류 간접지표 항목의 관리가 중요하다고 판단된다.

• 대한환경공학회지
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• 제39권11호
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• pp.641-649
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• 2017

본 연구에서는 오염원의 변화 특성이 다양한 임진강유역을 대상으로 통계분석을 이용하여 상관분석, 주성분 및 요인분석, 군집분석을 통해 수질특성을 파악하였다. 신천3 지점의 평균 수질농도가 BOD 13.4 mg/L, COD 19.9 mg/L, TN 11.145 mg/L, TP 0.336 mg/L, TOC 14.2 mg/L로 높게 나와 전체 유역 중 신천 유역에 대한 집중적인 수질관리가 필요한 것으로 나타났다. 전체 수질측정 자료의 상관분석 결과 COD는 TOC, BOD, TN 수질인자와 유의한 상관관계를 보여 유기물과 영양염류인자간의 상관성이 높은 것으로 나타났다. 주성분분석 결과 전체 측정소 자료는 81.221%로 2개의 주성분, 계절별 자료는 96.241%로 3개의 주성분이 추출되었다. 요인분석 결과 전체 측정소 자료와 계절별 자료의 수질영향 요인은 공통적으로 BOD, COD, TN, TP, TOC 항목이 나타났다. 시 공간적 군집분석 결과 계절별 특성 및 토지이용에 따라 각각 4개, 3개 그룹으로 나타났다. 본 연구는 임진강유역을 중심으로 8년간 시 공간적 특성을 고려한 수질 요인을 분석한 것으로 향후 유역환경변화에 따른 임진강 유역의 수질 변화를 이해하기 위한 기초 분석 자료가 될 것이다.

• 패션비즈니스
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• 제11권4호
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• pp.42-51
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• 2007

The purpose of this study is to develop clothing design for mild dementia patients who display positive action in clothing for the improvement of the quality of life of the dementia patients following the symptoms of patients in accordance with the clinical classification to provide the functional assistance for ordinary living as well as emotional stability and aesthetic functions for the dementia elderly. The method of research is performed for theories through the advanced research and documentary data, and interpreted in functional and aesthetic level on the basis of the result of advance survey related to the characteristics of the mild dementia patients and clothing conduct of elderly with light dementia to select the material, color, decoration and functional design with four pairs for women and two pairs for men. Designs for the total of six have been actually produced by making the map, including the material swatch, color and others. The questionnaire as the measuring tool is used and the assessment category is made for the adaptability of design on each category. On the six clothes that are produced for the mild dementia patients, the statistics package SPSS Ver 12.0 is used for the data analysis on questions 8-10 for the frequency analysis. In overall, the leisure clothing for mild dementia patients developed from this research are generally satisfied, and overall type, material, color, detail and arrangement are generally evaluated highly, and have the assessment of normal or better in the color size and type.

• 한국병원경영학회지
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• 제25권3호
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• pp.29-37
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• 2020

Purposes: The purpose of this study was to identify the factors related to the long-stay hospitalization of dementia patients aged 65 years or older who had received inpatient care at geriatric hospitals according to the minute facility characteristics and patient features. Methodology: This study was conducted on 317,353 cases of 1,512 geriatric hospitals using the Health Insurance Review and Assessment Service dataset. The data collected were processed using the SAS Enterprise Guide 4.3 for descriptive statistics, the chi-square test, and the binary logistic regression analysis. Findings: As a result of the study, in the facility characteristics of geriatric hospitals, the long-stay hospitalization of the aged with dementia were found to be related to the type of facility establishment, the number of hospital beds, the number of medical specialists, the number of nursing personnel, and the number of geriatric hospitals by region and province. In the personal features of patients, the long-stay hospitalization was found to be associated with the gender, age, insurance, and the patient classification groups. Practical Implication: Considering the results of this study, it seems that securing the sufficient medical personnel in a geriatric facility, providing the good quality medical services, and preparing the appropriate discharge plan can reduce the unnecessary long-stay hospitalization and spend the medical expenses for the older patients.

• 디지털융복합연구
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• 제16권12호
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• pp.533-540
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• 2018

이 연구는 건강보험 심사평가원 자료를 이용하여 동일 환자의 동일 질환에 대하여 서로 다른 의료기관이 부여하는 질병 코딩의 불일치성을 분석하여 국가 보건 통계 질 향상을 위한 기초 자료로 활용하고자 시행하였다. 건강보험심사평가원 2014년 전체 환자 데이터셋(HIRA-NPS)에서 9,976,826건의 진료비 명세서를 연구 대상으로 하였다. 연구결과 의료기관의 이동 경로에 따라서 질병 코딩 불일치의 차이가 존재 하였고 불일치율은 보건기관 이외의 타 의료기관에서 보건기관으로 이동하였을 때 높아지는 경향이 발견되었고, 상급종합병원 간 이동하였을 때는 불일치율이 현저하게 낮았다. 본 연구의 의료기관 간 질병 코딩 불일치 현황 분석은 국내 의료기관에서 일관성 있는 질병 코딩이 이루어지기 위한 제도적 보완의 필요성을 시사하고 있다.

• Safety and Health at Work
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• 제9권4호
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• pp.416-420
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• 2018

Background: Urinary 1-hydroxypyrene (1-OHP) has been widely used as a biomarker of polycyclic aromatic hydrocarbons (PAHs) in occupationally exposed workers. The objective of this study is to investigate the concentration of urinary 1-OHP among charcoal workers as subjects and non-charcoal workers as controls. Methods: Early morning urine samples were collected from 68 persons (25 charcoal workers in Igbo-Ora, 20 charcoal workers in Alabata, and 23 non-charcoal workers) who volunteered to participate in this study. 1-OHP determination in urine samples was carried out using high performance liquid chromatography after hydrolysis. Descriptive and inferential statistics were used for data analysis at p < 0.05. Results: The mean urinary 1-OHP concentration (${\mu}mol/mol$ creatinine) among charcoal workers at Igbo-Ora and Alabata and non-charcoal workers were $2.22{\pm}1.27$, $1.32{\pm}0.65$, and $0.32{\pm}0.26$ (p < 0.01). There existed a relationship between respondent type and 1-OHP concentration. Charcoal workers were 3.14 times more at risk of having 1-OHP concentrations that exceed the American Conference of Governmental Industrial Hygienists guideline of $0.49{\mu}mol/mol$ creatinine than non-charcoal workers (relative risk = 3.14, 95% confidence interval: 1.7-5.8, p < 0.01). Conclusion: Charcoal workers are exposed to PAHs during charcoal production and are at risk of experiencing deleterious effects of PAH exposure. Routine air quality assessment should be carried out in communities where charcoal production takes place. Assessment of urinary 1-OHP concentration and use of personal protective equipment should also be encouraged among charcoal workers.