• Title/Summary/Keyword: Paired t-test

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Neuromodulation of the median nerve in carpal tunnel syndrome, a single-blind, randomized controlled study

  • Gevher Rabia Genc Perdecioglu;Mehlika Panpalli Ates;Damla Yuruk;Omer Taylan Akkaya
    • The Korean Journal of Pain
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    • v.37 no.1
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    • pp.34-40
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    • 2024
  • Background: This study aimed to evaluate the efficacy of pulsed radiofrequency applied using transcutaneous electrodes in carpal tunnel syndrome (CTS). Methods: After randomization, the patients received two cycles of noninvasive pulsed radiofrequency (NiPRF), once weekly, or splinting (the control group) for three months. Clinical evaluations were recorded at baseline and weeks 4 and 8. The Boston Carpal Tunnel Syndrome Questionnaire (BCTQ) was used to determine the functional status and symptom severity. Results: Sixty-two patients were followed up for three months. There was no difference between the groups in the BCTQ scores before and after treatment. The NiPRF group found a significant difference between the BCTQ measurements at all time intervals (paired sample t-test; P < 0.001). In the splint group, there was a significant difference only between the basal-1st month and basal-3rd month (paired samples t-test; P < 0.001). The main effect of the time variable was statistically significant (ANOVA; P < 0.001), but the group variable was not. There was no correlation between the BCTQ results measured at any time and the electroneuromyelogragphy findings in either group. Conclusions: NiPRF effectively improves symptoms and functionality in patients with CTS for up to 3 months. Thus, NiPRF can be considered an easy, safe, and useful alternative treatment modality for CTS.

A Study on Effect of Army Risk Assessment System for Preventing Safety Accidents (육군 위험성평가체계의 사고예방효과에 관한 연구)

  • Minsuk Park;Byungho Beak;Seungbae Park;Namjoo Jeon
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.47 no.2
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    • pp.84-92
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    • 2024
  • The purpose of this study is to analyze effect of Army Risk Assessment System(ARAS) which is used to prevent safety accident in ROK army. Based on prior research, we select 4 indicators which are related to accident prevention effect and analyze the differences before and after ARAS operation for each indicators by using Paired-Samples T-Test. Also, we analyze the correlation between degree of ARAS operation and status of safety accidents of 112 ROK Army units. We conduct an evaluation of each function within the system using IPA method. The results of this study are as follows; All 4 indicators are improved compared to before ARAS operation, and the differences are statistically significant. Also, there is negative correlation between the degree of ARAS operation and the occurrence of safety accidents. So, the operation of ARAS has a positive effect on preventing safety accidents. Finally among the 15 functions of ARAS, 4 functions require improvement. The findings of this study have implications for proposing necessity of computerized system in enforcing Risk Assessment. Also, whether or not operating ARAS is important, but it is also important to operate it well. Lastly, We propose improvement plans for each function to operate it well.

Development and effectiveness of a cognitive enhancement program based on a mobile application for preventing dementia: a study focusing on older adults who use senior citizen centers (앱기반 치매예방 인지강화 프로그램 개발 및 효과 검증: 경로당 이용 노인을 중심으로)

  • Mi-Ra Jung;Eun Jeong;Chang-Gyeong Lee
    • Journal of Korean Biological Nursing Science
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    • v.25 no.2
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    • pp.113-122
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    • 2023
  • Purpose: The purpose of this study was to examine the effects of a mobile application on quality of life, wellness, and preventive behaviors against dementia among older adults who use senior citizen centers. Methods: Seventy-two older adults who used senior citizen centers were allocated to an intervention group (n = 36) and a control group (n = 36). The experimental treatment involved a cognitive enhancement program for preventing dementia using a mobile application for 12 sessions over 6 weeks. Data were analyzed using the t-test, chi-square test, Fisher's exact test, paired t-test, and independent t-test. Results: The cognitive enhancement program based on a mobile application was effective for wellness (t = -3.87, p < .001) and preventive behaviors against dementia (t = -3.98, p < .001) for older adults who used a senior center. Conclusion: The mobile application-based cognitive enhancement program developed in this study is recommended as an effective intervention for dementia prevention in older adults.

Effect of Team-based Learning on Anatomy Subject for Biological Nursing Science Education of Nursing students (기초간호과학 해부학 교육에서의 팀기반 학습 효과)

  • Lim, So-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.10
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    • pp.7098-7108
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    • 2015
  • This sturdy examined the effectiveness of Team-Based Learning(TBL) program according to learning attitude, learning motivation and self-directed learning of nursing students learning the anatomy. A 12week TBL program which they were made small group as 6-7 students aimed at anatomy aspects was given 145 freshmen. A triangulation that quantitative Research used paired t-test, Pearson Correlation Coefficient by SPSS WIN 18.0 and qualitative research was conducted content analysis. Through this subject, significant improvement was found in learning motivation(t=-2.97, p<.003) and self-directed learning(t=-2.40, p<.018). There was a significant positive correlation. TBL is useful teaching and learning method on nursing students. We suggest that it is needed to measure the educational effects of TBL against other subjects.

Effect of Emergency Nursing Class using Evidence-Based Practice (근거기반실무를 활용한 응급간호 수업 운영의 효과)

  • Kim, Jiyoung
    • The Journal of the Korea Contents Association
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    • v.21 no.10
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    • pp.613-621
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    • 2021
  • The purpose of this study was conducted to provide emergency nursing class using evidence-based practice (EBP) and to examine its effects. This study was a one-group pretest-posttest experimental design. Data were collected from 54 students in the third year of nursing at a university, between September 2, 2019 and December 9, 2019. An emergency nursing class using EBP consisting of 5-step EBP components was provided through 13 sessions. Lectures, team-based learning, and case-based learning were provided. Data were analyzed using SPSS/WIN 21.0 program with descriptive statistics and paired t-test. After the class, there were significant increase in EBP beliefs (t=-2.76, p=.008) and EBP competency (t=-5.035, p<.001). However, critical thinking disposition was not significantly increased. The findings indicate that emergency nursing classes using evidence-based practice is an efficient teaching-learning method to improve EBP beliefs and competency.

Development and Application a Multidrug Resistant Organisms Infection Control Simulation Program for Small and Medium-sized Hospital (중소병원 대상 다제내성균 감염관리 시뮬레이션 프로그램 개발 및 적용)

  • Lee, Mi Hyang;Kim, Jae Yeun
    • Journal of Digital Convergence
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    • v.19 no.4
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    • pp.159-166
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    • 2021
  • This study was an attempt to develop a multidrug resistant organisms infection control simulation program for nurses at small and medium sized hospitals and to evaluate the effectiveness of said simulation program. This is a single-group, pre-post experimental design study conducted on 33 nurses working at small and medium sized hospitals. Data obtained were analyzed using the IBM SPSS 21.0 program, along with the use of descriptive statistics and paired t-test. Regarding the results of the study, multdrug resistant organisms infecion control knowledge(t=-10.764, p<.001)and performance levels(t=-4.215, p<.001) of the nurses displayed statistically significant increases following application of the simulation program. There is a need for the development of more diversified simulation programs in the future since the improvement in the infection control knowledge and performance levels of nurses is important to block the spread of multidrug resistant organisms and prevent infection outbreak thereof with medical institutions.

Effects of Problem-based Learning on the Metacognition, Problem Solving, Professional Self-concept and Self-Directed Learning of Nursing Students (문제중심학습이 간호대학생의 메타인지, 문제해결능력, 전문직 자아개념 및 자기주도학습능력에 미치는 효과)

  • Eun Young Oh;Jung Hee Yu
    • Journal of Industrial Convergence
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    • v.21 no.9
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    • pp.89-102
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    • 2023
  • This study was a one group, pre-post test design experimental study to identify the effects of problem-based learning applied to adult nursing subjects on meta-cognition, problem solving, professional self-concept and self-directed learning of nursing students. The participants were 60 fourth grade students who had registered for adult nursing class from a nursing university in D metropolitan city, the data were collected from September to December, 2022. The adult nursing class model was designed based on the ADDIE model suitable for PBL. The class period was conducted for 15 weeks, with 8 weeks of lectures, 2 weeks of exams, and 5 weeks of Barrow and Myers 5-step PBL learning. The collected data were analyzed using the SPSS/WIN 20.0 Program, and paired t-test was used to test the differences between variables before and after the intervention. There was a statistically significant difference in metacognition(t=-8.04, p<.001), problem solving(t=-4.08, p<.001), professional self-concept(t=-4.67, p<.001) and self-directed learning(t=-4.69, p<.001) between pre and post problem based learning. Therefore, our result recommend that to apply problem-based learning in various major subjects to strengthen nursing students' metacognition, problem-solving, professional self-concept, and self-directed learning skills.

The Effects of Koryo Hand-Acupuncture on the Patients with Chronic Low Back Pain (만성 요통환자의 수지요법 적용에 대한 효과)

  • 임난영;이여진
    • Journal of Korean Academy of Nursing
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    • v.33 no.1
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    • pp.79-86
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    • 2003
  • Purpose: The purpose of this study was to identify the effects of Koryo Hand-Acupuncture on health status(pain, trunk flexion, IADL, depression) of patients with chronic low back pain. Method: This study used a quasi experimental pre-test and post-test design. Data were collected from December 1st, 2000 to December 20th, 2001. 63 chronic low back pain patients(35 experimental group, 28 control group) admitted to the Back-School and consented to this study. The experimental group participated in treatment: Koryo Hand-Acupuncture and AB-Bong. Two groups was homogeneity. After 4 weeks the effects of treatment on the health status was measured between experimental and control group. Data were analyzed using SPSSWIN 10.0 with crosstab, t-test, and paired t-test. Result: In the experimental group, pain(t=4.85, p=.000) and IADL difficulty(t=2.05, p=.045) was significantly lower than those in the control group. It makes no difference trunk flexion(t=-1.60, p=.114) and depression(t=1.50, p=.138) between experimental and control group. Conclusion: These findings indicate that Koryo-Hand Acupuncture is an effective method for reducing pain and IADL difficulty in patients with chronic low back pain, and is considered as a independent nursing intervention for chronic low back pain.

The Effect of Aquatic Exercise Program on Pain, Body Weight, Fatigue, Flexibility in Elderly Women with Osteoarthritis (수중운동 프로그램이 골관절염을 가진 여성노인의 통증, 피로, 체중, 유연성에 미치는 효과)

  • Kim, Jong-Im;Kim, Tae-Sook
    • Journal of muscle and joint health
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    • v.12 no.2
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    • pp.109-118
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    • 2005
  • Purpose: The purpose of this study was to identify the effects of aquatic exercise program on pain, body weight, fatigue, flexibility in elderly women with osteoarthritis. Methods: The subjects of the study were sixty nine elderly women(age over 65years)who have an osteoarthritis. Aquatic exercise program consist of approximately one hour of exercise in water, two days per week, for six weeks. Data were gathered from September 2002 to August 2004 using a questionnaire and measuring body weight, flexibility of shoulder.. Data were analyzed with the SPSS Win 10.0 using frequency and paired t-test for differences between pre-exercise and post-exercise. Results: The results of this study are as follows: pain score, fatigue, body weight of post test were lower than those of pre test(t=5.587, p=0.000 ; t=3.394, p=0.001 ; t=4.664, p=0.000). Right and left flexibility scores of post test were better than those of pretest(Left: t=4.736, p=0.000 ; righrt: t=4.733, p=0.000). Conclusion: From these results, it is concluded that the aquatic exercise program can be effective in increasing physical and psychological function in elderly women.

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The Effect of Drug Abuse Prevention Program for Elementary School Students (초등학생을 위한 약물남용예방 프로그램의 적용 효과)

  • 성정혜;박정숙
    • Journal of Korean Academy of Nursing
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    • v.34 no.3
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    • pp.421-429
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    • 2004
  • Purpose: This study is to evaluate the effects of drug abuse prevention program for elementary school students. Method: The design of this study is nonequivalent control group pretest-posttest design. The subjects of experimental group were 27 students and the subjects of control group were 25 students in fifth grade of elementary school in C City, Gyeongsangbuk-do. The experimental group had Drug Abuse Prevention Program, which was two days per week program, for 5 weeks. And post-test was carried out in the same way as the pre-test. Data analysis was done using frequency, percentage, mean, standard deviation, Chi-square test, t-test, Paired Samples t-test using with SPSS WIN 11.0. Result: the experimental group, to which drug abuse prevention program was given, was improved in knowledge of drug and unacceptable attitude of drug compared to the control group, but there were no significant differences of self-esteem and assertiveness between two groups. Conclusion: The drug abuse prevention program was effective to increase knowledge and attitude of drug in elementary school students.