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서정수,윤견일,고은주,최규복 대한신장학회 1990 Kidney Research and Clinical Practice Vol.9 No.4
To evaluate the incidence and clinical characteristics of ACKD (Acquired Cystic Kidney Disease), we measur- ed several clinical variables and performed abdominal computerized tomographic scanning in 18 patients with end-stage renal disease. The results were as follows; 1) Among 18 end-stage renal failure patients with maintenance dialysis, male were 6 and female were 12 in number. The mean age and mean time on dialysis were 40 years/24 months in male patients and 38 years/36 months in female patients. 2) ACKD was found in three(17%) of 18 and suspicious ACKD was found in two(11%) of 18. If any detectable cysts are sufficient, then five (28%) of 18 had ACKD. 3) The mean time on dialysis were 39 months in ACKD, 58 months in suspicious ACKD and 25 months in patients witout cyst. 4) In 11 patients who were dialyzed for less than 4 years, only one (9%) had ACKD, but another ten (91%) had no cyst. In 7 patients who were dialyzed for more than 4 years, two (29%) had suspicious ACKD, another two (295) had ACKD and the other three (43%) had no cyst. 5) In 6 male patients, three (50%) had no cyst, another two (33%) had ACKD and the other one (17%) had suspicious ACKD. In 12 female patients, ten (83%) had no cyst, another one (8%) had ACKD and the other one (8%) had suspicious ACKD. 6) The largest size of cyst in each case of ACKD ranged from 0.7 cm to 2.4 cm in diameter. 7) The mean length of kidney in right and left were as follows: in patients without cyst, 6.3/5.9 cm; in patients with suspicious ACKD, 6.5/4.8 cm; in patients with ACKD, 7.5/7.8 cm. 8) The mean hematocrit were 19% in patients without cyst, 20% in patients with suspicious ACKD and 27% in patients with ACKD. From the above data, we knew that a prolonged period of dialysis increased the incidence of ACKD, and male had a higher incidence of ACKD than female. Also we knew that the kidney size and hematocrit were increased in ACKD.
고속도로 관리기관의 안전문화에 대한 탐색적 요인분석 연구
서정수,정경옥 대한안전경영과학회 2024 대한안전경영과학회지 Vol.26 No.1
In this paper, in order to study the relationship between the safety culture of highway management agencies and disaster reduction activities (BCMS), a measurement tool was identified through previous research on safety culture, and the validity of the measurement tool was confirmed through exploratory factor analysis. I want to check. The subjects of the study were workers belonging to disaster reduction activity management system certification organizations among highway management organizations. The highway management agencies are the Korea Expressway Corporation, which manages the functional continuity of national highways nationwide, and 8 of the 21 private road agencies that manage the functional continuity of the highways. The safety culture measurement tool is an indicator that measures safety culture factors, and is reorganized by the researcher based on survey items from previous studies, with management/manager safety values and attitudes, safety communication, safety education and training, and safety regulations/ management system as subfactors. A total of 24 questions were comprised of the survey tool. As a result of the study, the result of exploratory factor analysis was that the safety culture scale was extracted into four factors based on theoretical grounds, and the total cumulative variance was 80.360%. When checking the questions for each factor, it was found that all the questions loaded on the factor that was originally intended to be measured. Factor 1 is management, factor 2 is safety, and factor 3 is communication., Factor 4 was named education. Number of questions: 4 management questions, 3 safety questions, communication It consisted of 4 questions and 2 education questions.