• Title/Summary/Keyword: sign test

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Ranked-Set Sample Wilcoxon Signed Rank Test For Quantiles Under Equal Allocation

  • Kim, Dong Hee;Kim, Hyun Gee
    • Communications for Statistical Applications and Methods
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    • v.10 no.2
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    • pp.535-543
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    • 2003
  • A ranked set sample version of the sign test is proposed for testing hypotheses concerning the quantiles of a population characteristic by Kaur, et. al(2002). In this paper, we proposed the ranked set sample Wilcoxon signed rank test for quantiles under equal allocation. We obtain the asymptotic property and the asymptotic relative efficiencies of the proposed test statistic with respect to Wilcoxon signed rank test of simple random sample for quantiles under equal allocation. We calculate the ARE of test statistics, the proposed test statistic is more efficient than simple random sampling for all quantiles. The relative advantage of ranked set sampling is greatest at the median and tapers off in the tails.

Single Dose Toxicity Study of Hwangiaegongjinbo, an Invigorator, in Mice and Rats (마우스 및 랫드에서 자양강장제 황제공진보의 단회투여독성시험)

  • 이정남;박창신;김홍표;황성연;정운계
    • Toxicological Research
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    • v.18 no.1
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    • pp.73-77
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    • 2002
  • The single dose toxicity of Hwangiaegongjinbo, an invigorator developed by Korea Medical Science Institute was evaluated in ICR mice and Sprague-Dawley rats. The aqueous solution of freeze-dried powder of Hwangiaegongjinbo or its original solution was once administrated orally to both sexes of mice and rats at dose of 2000 mg/kg, the recommended upper limit dose for acute toxicity. Water was administered to another group as control. after single adminstration, sign of toxicity were observed every hour for the first 6 hours and every day for 14 days. Neither sign그cant toxic sign nor death was observed during the observation period. In addition, no pathological changes were noticed in macroscopic examination at necropsy in those treated group. These results indicated that $LD_{50}$ of Hwangiaegongjinbo is greater than 2000 mg/kg in ICR mice and Sprague-Dawley rats.

Forced Expiratory Volume in One Second and ECG Sign of Cor Pulmonale in Coal Workers' Pneumoconiosis (탄광부 진폐증자의 일초폐활량($FEV_{1.0}$)과 폐성심의 심전도 소견)

  • Cheon, Yong-Hee
    • Journal of Preventive Medicine and Public Health
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    • v.21 no.2 s.24
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    • pp.267-270
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    • 1988
  • The medical record of ECC and pulmonary function test of 297 cases who were dead at hospital or admitted as coal workers' pneumoconiosis were used for the study of the relationship between forced expiratory volume in one second($FEV_{1.0}$) and ECG sign of pulmonale. The incidence of T wave inversion in $V_1$ lead was significantly increased as $FEV_{1.0}$ decrease. The incidence of T wave inversion in $V_1$ lead was over the half in the group of $FEV_{1.0}$ less than 0.7l.

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Hand Shape Classification using Contour Distribution (윤곽 분포를 이용한 이미지 기반의 손모양 인식 기술)

  • Lee, Changmin;Kim, DaeEun
    • Journal of Institute of Control, Robotics and Systems
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    • v.20 no.6
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    • pp.593-598
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    • 2014
  • Hand gesture recognition based on vision is a challenging task in human-robot interaction. The sign language of finger spelling alphabets has been tested as a kind of hand gesture. In this paper, we test hand gesture recognition by detecting the contour shape and orientation of hand with visual image. The method has three stages, the first stage of finding hand component separated from the background image, the second stage of extracting the contour feature over the hand component and the last stage of comparing the feature with the reference features in the database. Here, finger spelling alphabets are used to verify the performance of our system and our method shows good performance to discriminate finger alphabets.

Effect of Foot Massage on Sleep, Vital Sign and Fatigue in the Elderly who live in their Home (발마사지가 노인의 수면, 활력징후, 피로에 미치는 영향)

  • Won Jong-Soon
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.9 no.3
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    • pp.513-523
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    • 2002
  • Purpose : This study aimed to investigate the effect of foot massage on sleep, vital signs and fatigue in the elderly who live in their Home. Method: Data were collected from 20 elderly who live in the Seoul-Kyunggi province area by convenience sampling and analyzed the change of sleep and sleep satisfaction, vital signs(pulse, respiration, systolic and diastolic blood pressure) and general fatigue between pre and post foot massage using Paired t- test at 0.05 of significance level. Result: There were very significant difference in the sleep and fatigue between pre and post foot massage. Conclusion: Foot massage can improve the sleep and decrease fatigue, therefore we recommend to use foot massage as a effective sleep related nursing intervention in the elderly who live in their home.

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Validation of Nursing Diagnose and Defining Characteristics for Patients with Cerebrovascular Accidents - Home Health Care Nursing (뇌혈관질환자와 관련된 간호진단 및 간호진단별 특성 규명과 타당성 조사연구 - 가정간호 대상자를 중심으로 -)

  • Kim, Hae-Young
    • Journal of Korean Academic Society of Home Health Care Nursing
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    • v.2
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    • pp.35-51
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    • 1995
  • This study was done to define nursing diagnose and to test the validity of the characteristics for patients with cerebrovascular accidents being seen at home by home health care nurses. This study was a descriptive study. The sample consisted of 10 experts(professors and home health care nurses) who had had a variety of experience using nursing diagnoses in clinical practice, and 336 nurse progress notes for 18 patients with cerebrovascular accidents. First, 32 nursing diagnoses were defined by the analysis of 336 nurse progress notes, and ten nursing diagnoses were selected according to a criteria of frequency and four nursing diagnoses from home health care clinical practice. Second, content validity was examined by an expert group which considered the sign / symtoms of the fourteen nursing diagnoses. The instrument used for this was a checklist for sign / symtoms based on the nurse progress notes and literature : Carpenito(1993), Kim Cho Ja et al (1994), Lee Sun Ok et al.(1994), Kim Mae Ja et al. (1992), Seoul University Hospital (1993) , Kim Mi Ja et al. (1991). The data were collected from March 1995 to April 1995. Data were analyzed using Content Validity Incidence where if 80% or more of the expert group agreed, characteristics were defined as a major sign/symtoms, if between 50% and 79% of the expert group agreed with the characteristic it was defined as a minor sign / symtoms. The results of this study are summarized as follows : 1. Thirty-two nursing diagnoses related to patients with cerebrovascular accidents were defined. There was a high frequency for the following : 'Potential for disuse syndrome (61%)', 'Impaired physical mobility(50%)', 'Impaired skin integrity (44.4%)', Potential for aspiration(33.3%)', 'Potential for infection: respiration(33.3%)', 'Self-care deficit : bathing /hygine(27.8%)', 'Ineffective family coping(22.2%)', 'Potential for trauma(22.2%)', 'Alteration in nutrition: less than body requirements(22.2%)'. The following diagnoses were also used in home health care clinical practice : 'Anxiety in family (50%)', 'Caregiver fatigue(27.8%)', 'Ineffective treatment behavior (22.2%)', 'Ineffective Levin tube management and Levin tube feeding(22.2%)'. Fourteen nursing diagnoses were selected. 2. Ten of the nursing diagnoses for patients with cerebrovascular accident were listed as nursing diagnoses by NANDA but four nursing diagnoses were new nursing diagnoses used in home health care clinical practice. 3. Characteristics of the ten Nursing Diagnoses from NANDA were developed from the sign /symtoms in the literature and in the nurse progress notes. These characteristics was verified as major or minor sign / symtoms by the expert group. 4. Characteristics of the four nursing diagnoses used in home health care were not defined by the literature but only by the nurse progress notes and verified as major or minor signs /symtoms by the expert group. On the basis of the findings of this study, the following recommendations are made : 1. Continual study is necessary to identify other signs /symtoms not verified in this study. 2. It is necessary to use verified signs /symtoms in home health care clinical practice. 3. It is necessary to define related factors which define each diagnoses in this study. 4. It is necessary to develop of standardized nursing are plans which include defined signs and symtoms. 5. It is necessary to study the outcomes of the standardized nursing care plans.

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Design and Implementation of a Multi-purpose Test Equipment with a Large Utilization Range for use in Electric Fire (전기화재 분야에서 다목적으로 시험장치의 활용범위를 증가시키기 위한 시험장치의 설계 및 구현)

  • Dongcheol Shin;Hyoungho Ko
    • Journal of Sensor Science and Technology
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    • v.32 no.3
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    • pp.180-186
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    • 2023
  • Test devices can perform various functions, such as research on detection targets, sensors that detect detection targets, combined products containing sensors, and certification for the launch of combined products. However, the scope of use of test devices is limited because they perform only a single role or could only serve a particular purpose in the past. Therefore, studies on test devices that can perform various functions, such as research on detection targets, sensors that detect detection targets, combined products containing sensors, and certification for the release of combined products are necessary. Accordingly, this study proposes a test device that can increase the scope of use in the technical field of electric fires. In addition, we examine various outcomes of the proposed test device.

Computer Programs for Nonparametric Tests (비모수적(非母數的) 통계(統計) 프로그램의 개발(開發))

  • Bae, Do-Seon;Jang, Jung-Sun;Kim, Sang-Bok
    • Journal of Korean Institute of Industrial Engineers
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    • v.12 no.2
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    • pp.101-108
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    • 1986
  • Computer programs for IBM PC/XT/AT or compatibles, are presented for running 9 nonparametric tests. They include sign test, Wilcoxon signed rank test, Mann-Whitney Wilcoxon test, Kruskal-Wallis test, Kolmogorov-Smirnov one sample and two sample tests, Kendall and Spearman rank correlation coefficient tests, and Chi square test for contingency table. Each program is written with BASIC language and is combined into a statistical package, 'NONPARA'. It is easily accessible through the menu programs. The alogorithms on which each test is based, are also explained and 3 examples are given.

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The Effect of e-Exercise Program on Balance, Gait, and Endurance in Patients with Parkinson's Disease (파킨슨병 환자의 e-운동프로그램이 균형과 보행 그리고 지구력에 미치는 영향)

  • Kim, Su-Young;Han, Jin-Tae;Choi, Mal-Ok;Min, Hye-Sook;Sung, Hye-Ryun
    • Journal of the Korean Society of Physical Medicine
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    • v.7 no.3
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    • pp.259-265
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    • 2012
  • Purpose : Patients with Parkionson's disease have a temporal and spatial restriction for their's exercise treatment. The aim of this study is to verify the effectiveness of e-exercise program on balance, gait, and endurance ability in people with Parkinson's disease. Methods : Eighteen participants, with Parkinson's disease that ranged from stage to on the Hoehn & Yahr scale, were assigned to two group. Two group were divided into on-line group that exercised in home by computer video, and off-line group that exercised in clinical center. Exercise program that included 3 sections (warm-up, main exercise, cool down)-5 parts(stretch, strength, balance, gait, stretch) was used to train for participants. We used the functional reach test for balance ability, timed up and go test for gait ability, 6 minute walking test for endurance ability. Wilkoxon sign lank tests were used to assess the difference of balance, gait, and endurance ability in pre-and post test each groups. Mann-whitney tests were used to assess the difference of balance, gait, and endurance ability between groups. Results : Wilkoxon sign lank tests revealed that both group were improved the balance, gait and endurance agility by e-exercise program intervention. Mann-whitney tests showed that there were no differences between groups in the variation of balance, gait, endurance ability. Conclusion : We believe that exercise program with on-line(e-exercise program) is an effective intervention for people with Parkinson's disease and is no different than off-line exercise group in the variation of balance, gait, endurance ability.

Safety of Gunghatang Tablet after Single Oral Administration in Healthy Male Volunteers, Single Center Study (궁하탕정의 단회 경구투여 후 안전성 평가를 위한 단일기관 연구)

  • An, Sung-Hu;Shin, Hee-Ra;Park, Kyungtae;Lee, Yoon-Seung;Kim, Jonggyu;Yeom, Seung-Ryong;Kwon, Young-Dal;Cho, Hea-Young
    • Journal of Korean Medicine Rehabilitation
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    • v.29 no.4
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    • pp.101-108
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    • 2019
  • Objectives The purpose of this study is to evaluate the safety of Gunghatang tablet in healthy male volunteers. Methods Single center pharmacokinetics study was carried out in healthy male volunteers. Through the laboratory test, vital sign and adverse event data, safety evaluation was conducted. Total 15 of 16 subjects who met the inclusion criteria were enrolled and three subjects were allocated to waiting group. 12 subjects were allocated by serial number according to registration order. Subjects took the maximum daily dose of the tablet on the second day of hospitalization. For the evaluation of safety, blood samples were collected and vital sign were checked 4 times (screening, before administration, after administration and follow up period) during the trial. All adverse events were recorded and summarized as frequency and percentage. All continuous data were summarized as mean and standard deviation. For comparison of variables between before administration and after administration, data were analyzed by paired T-test or Wilcoxon signed rank test (p<0.05). Results As a result of all data related to vital sign and laboratory test in both group, there were no significant differences associated with the clinical trial drug between pre and post administration. And there was no adverse event associated with the clinical trial drug. Conclusions Gunghatang tablet were found to be safe for healthy male volunteers.