• Title/Summary/Keyword: Group testing

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The Preventive Effect of Sodium Hyaluronic Acid Solution and Crosslinked Hyaluronic Acid Mixture on Postoperative Intraperitoneal Adhesion Formation in Rats (랫드에서 Sodium Hyaluronic Acid Solution과 가교처리한 Hyaluronic Acid Gel 혼합액의 복강내 유착 형성 방지 효과)

  • Song, Moon-Yong;Kang, Gyoo-Il;Hwang, Won-Koo;Choi, Wan-Gyu;Kim, Hyun-Hee;Heo, Ho-Jin;Jang, Hwan-Soo;Park, Hyun-Jeong;Jang, Kwang-Ho;Kwon, Young-Sam
    • Journal of Veterinary Clinics
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    • v.28 no.1
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    • pp.28-32
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    • 2011
  • This study was performed to evaluate the efficacy of 0.8% sodium hyaluronic acid solution and crosslinked hyaluronic acid mixture for the prevention of postoperative intraperitoneal adhesion in rats. Forty-five animals were divided into three groups ; 0.9% saline treated control group, 1% sodium carboxymethyl cellulose treated group (SCMC), and 0.8% sodium hyaluronic acid solution and crosslinked hyaluronic acid mixture treated group (SHCH). Adhesions were induced by suturing both the ileal serosa and peritoneum abrased until petechial bleeding occurred. Fourteen days later, adhesions were evaluated clinically and histopathologically. The mean tensile strength was significantly decreased in the SCMC and SHCH groups compared to the control group (p < 0.05), and the SHCH group had the lowest tensile strength. The distance of adhesion site was highest in the control group and significantly decreased in the SHCH group comparing control group (p < 0.05). The inflammatory cell infiltration, collagen hyperplasia and neovascularization of the SCMC and SHCH groups were significantly lower than the control group (p < 0.05). Therefore, it was concluded that the SHCH may be useful to prevent postoperative intraperitoneal adhesion in rats.

Association between Histone Deacetylase 9 Gene Polymorphism and Stroke in Chinese Han Population

  • Yang, Xitong;Xu, Hongyang;Liu, Dan;Ma, Rong;Zhang, Yuanyuan;Wang, Guangming
    • Journal of Korean Neurosurgical Society
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    • v.64 no.2
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    • pp.309-315
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    • 2021
  • Objective : To explore the correlation between the polymorphism of histone deacetylase 9 gene (rs1060499865, rs723296, rs957960) and ischemic stroke (IS) in Chinese Han population in Dali region. Methods : This study included 155 IS patients and 128 healthy physical examinees. TaqMan-polymerase chain reaction technology and multivariate logistic regression were performed. Results : In the case group, there was no polymorphism of rs1060499865 observed in the two groups; whereas on the rs723296 locus the frequencies of C allele and TC genotype were significantly higher than that in the control group, alleles C and T were associated with a 2.158-fold increase in IS risk, and genotypes TC and TT were associated with a 2.269-fold increase in IS risk. The locus rs957960 exhibited no significant difference between the two groups. Conclusion : An association between rs723296 and the risk of IS was found in the Chinese Han population in Dali region. No significant association was found between rs1060499865, rs957960 and IS in the Chinese Han population in Dali region.

A Study on the Ultrasonographic Liver Fat Density and Serum Enzymes for Testing Liver Function in Korean Adults (성인 남녀의 초음파 조영술로 측정한 간지방밀도와 혈청 간기능효소와의 상관성 연구)

  • 박윤정
    • Journal of Nutrition and Health
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    • v.31 no.1
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    • pp.28-35
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    • 1998
  • This study was done to investigate the relationship between ultrasonograph fat density (ULFD) using objective measurement and serum enzymes for testing liver function in 101 healthy adults(43 males and 58 females). Average serum enzyme activities in males and females were GOT27.111U/L and 22.46IU/L, GPT 34.06IU/L and 18.501U/L, and ${\gamma}$-GTP 37.67IU/L and 17.201U/L, respectively. Males showed significantly higher activities of GPT and ${\gamma}$-GTP than females. ULFD of the obese group (BMI$\geq$25) was significantly higher than that of the nonobese group. GOT, GPT, and ${\gamma}$-GTP tended to be high in the obese group. GPT and ${\gamma}$-GTP of the high TG group (TG$\geq$170) tended to be markedly high for males, but not for females. GPT was positively correlated with ULFD, body weight , and weight-to-height, ratio, and ${\gamma}$-GTP was positively correlated with body weight, weight-to-height ratio. BNI, and KI. ULFD and ${\gamma}$-GTP were positively correlated with serum TG. These results suggests that , among serum enzymes for testing liver function, GPT has a close relationship with ULFD using objective measurement, while GOT does not. Also , ${\gamma}$-GTP has a close relationship with parameters for obesity.

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Performance-based User Testing of a Patient Drug Leaflet in the Elderly (노인 인구에 있어 환자용 의약품 안전사용 설명서의 활용성 평가)

  • Son, Mi-jung;Lee, Iyn-Hyang
    • Korean Journal of Clinical Pharmacy
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    • v.26 no.1
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    • pp.6-12
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    • 2016
  • Objective: This study aimed to explore the readability and comprehensibility of the drug information on a patient leaflet for the senior by employing performance-based user-testing. Methods: We included 36 elderly (65 years old or older) as the senior group (intervention group) and 36 adults (40~59 years old) as the adult group (control). We developed a questionnaire to test if participants could access to drug information. After completing a questionnaire, the participant was interviewed about their understanding over the patient leaflet. We performed t-test, ${\chi}^2$-test or Fisher's exact test to examine differences between two groups in primary outcomes. Results: The senior were less likely able to find information (78%) than the adult (91%); they were much less likely able to understand information (42%) than the adult (69%). While we found differences between the ability of finding and understanding drug information in both groups, the senior group had greater difficulties in understanding all kinds of drug information. They had significant difficulties to remember information after reading the patient leaflet and frequently failed to find proper information even though they were allowed to access freely to the leaflet during interviewing. Conclusion: To secure safe and effective use of drugs for the senior, it is necessary to develop drug leaflets for the senior.

Effect of Relative Humidity on Explosion Pressure for Gas Group IIB, IIA, and I (상대습도에 따른 가스 그룹 IIB, IIA, I의 폭발압력 분석)

  • Yongtae Kim;Kihyo Jung
    • Journal of the Korea Safety Management & Science
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    • v.25 no.1
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    • pp.51-58
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    • 2023
  • Determination of explosion reference pressure is important in designing and testing flameproof enclosures (Ex d). Although relative humidity affects to explosion pressure, its effect is not well investigated for the gas group IIB, IIA, and I. This study tested explosion pressure for Ethylene (8 vol.%), Propane (4.6 vol.%), and Methane (9.8 vol.%), which are the representative gas of the gas group IIB, IIA, and I, at ambient temperature and atmospheric pressure (1 atm) under different relative humidity (0% ~ 80%). Ethylene- and Propane-air mixed gases generally tended to decrease as the relative humidity increased; however, explosion pressure was largely dropped at 20% of relative humidity compared to 0% and 10% of relative humidity. On the other hand, Methane-air mixture gas showed similar pressures at 0% and 10% of relative humidity; but no explosion occurred at more than 20%. The results of this study can be used in setting a testing protocol of explosion reference pressure for designing and testing a flameproof enclosure.

The Effects of BBS Evaluating Frequency for Balance in Patients with Stroke (BBS 평가 빈도가 뇌졸중 환자의 균형에 미치는 영향)

  • Yang, Seung-Hoon
    • Journal of Korean Physical Therapy Science
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    • v.15 no.2
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    • pp.25-32
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    • 2008
  • Background: The purposes of this study were to examine whether “Berg Balance Sale(BBS)” had influence on the improvement of stroke patient's balancing ability, and to identify whether the effects had significant differences to these three groups that different frequency of BBS evaluation. Subjects were divided into three groups, a daily evaluating group (n=12), weekly evaluating group (n=12), and group that evaluating when admit and discharge (n=12). Methods: All patients were treated general neurorehabilitative physical therapy for daily during 4 weeks. All patients of these groups were evaluated balance function by using of BBS balance testing tool. Results: At the first week and after 4 weeks, balance function that of these groups was improved significantly (p<,05). Especially, daily evaluating group was improved the most. In the comparison differences between 3 groups, daily evaluating group and weekly evaluating group, daily evaluating group and group that evaluating when admit and discharge were exhibited differences significantly. But there was no significant difference between weekly evaluating group and group that evaluating when admit and discharge. Conclusion: According to the results as presented above, testing method, BBS is effects on stroke patient's balancing ability considerably. And if BBS which can apply evaluate balance function properly apply with conventional neurorehabilitative physical therapy, stroke patients would obtain significant effects on the improvement of balancing ability.

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The Effects of Group Sensory Integrative Intervention for Sensory Motor Ability and Behaviors for Children With Developmental Delay (그룹 감각통합치료가 학령전기 발달지연 아동의 감각운동 및 행동 변화에 미치는 효과)

  • Kim, Jin-Mi;Kim, Kyeong-Mi
    • The Journal of Korean Academy of Sensory Integration
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    • v.7 no.2
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    • pp.13-22
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    • 2009
  • Objective : The aim of this study is to verify the effects of group sensory integrative intervention for sensory motor ability, behaviors in children with developmental delay. Method : The subjects were five children with developmental delays aged between 3 and 5. All Children participated in 26 sessions of group sensory integrative intervention. Children' behavior during testing was observed to assess the sensory motor ability, behaviors, the clinical observation. One group pretest- posttest design was used to verify the effect of group sensory integrative intervention. The observed children' behavior during testing were tested by the Wilcoxon matched-pair signed rank test. Results : There is no significant difference in the clinical observation between pre and post intervention. However, subjects showed the significant difference in Social interaction(Z=-2.121, p=.034), Attention(Z=-2.032, p=.042), total score in Behavior during testing(Z=-2.032, p=.042). Conclusions : The result in this study suggested that the sensory integrative intervention is effective in facilitating the social skills and improving the attention and behaviors. On the other hand, there is no effect in sensory motor ability. It is difficult to generalize the conclusion because the number of the subject was limited and the environmental confounding factors has not been controlled. Therefore, it is needed to supplement these limitations in the future study.

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The Effect of Yaksun Recipe with Korean Ginseng on Exercise Practice Ability and Fatigue Variable Factor. (인삼을 함유한 약선레시피가 운동수행능력 및 항피로에 미치는 영향)

  • Mi-Lim Kim;Soon-Ae Park;Min Ju Kim;Mi-Rae Shin;Seong-Soo Roh;Hae-Jin Park
    • The Korea Journal of Herbology
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    • v.39 no.3
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    • pp.97-105
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    • 2024
  • Objective : This study examined the effects of yaksun recipe on the anti-fatigue and endurance enhancement properties in the forced swimming test (FST). Methods : The treatment groups were divided randomly into three groups: water-treated FST (control), 200 mg/kg of red ginseng-treated FST (RG200), 200 mg/kg of water extract of yaksun recipe-treated FST (YS200). After FST, an autopsy was performed, and the tissue and serum were collected. Results : The swimming exhaustion time in the RG200 and YG200 groups were significantly increased compared to the control group. The YG200 group fatigue indicators, D-Lactate, LDH(lactate dehydrogenase), creatine kinase, and ammonia content, significantly decreased compared to the control group. In addition, liver glycogen content significantly increased in the YG200 and tended to increase in RG200. Likewise, the glucose contents were significantly increased compared to the control group. The muscle damage indicators GPT (glutamic pyruvic transaminase) and BUN (blood urea nitrogen), a protein metabolite, in the YG200 group significantly decreased compared to the control group. Furthermore the concentration of liver lipid peroxidation, MDA(malondialdehyde) levels significantly decreased in the RG200 and YG200 compared to control group. Conclusions : These results suggest that YG200 can increase the endurance exercise capacity by decreasing the fatigue indicators, saving glycogen, and elevating the antioxidant defense system.

An Overview of Group Sequential Procedures (집단축차검정법들에 관한 고찰)

  • Jae Won Lee
    • The Korean Journal of Applied Statistics
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    • v.7 no.2
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    • pp.35-51
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    • 1994
  • For ethical and economic reasons, clinicla trials must be repeatedly monitored for evidence of treatment benefit or harm. Repeated testing at conventional critical values can substantially inflate the overal type I error rate. To maintain acceptable levels, group sequential procedures have been developed for clinical trials. This article gives a brief overview of the group sequential procedures.

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Effect of Self-Testing Technique on Improvement of Oral Hygiene State (구강위생상태의 개선을 위한 자가검사법의 효과)

  • Kim, Jong-Yup;Park, Joon-Bong;Lee, Man-Sup;Kwon, Young-Hyuk;Herr, Yeek
    • Journal of Periodontal and Implant Science
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    • v.29 no.3
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    • pp.715-724
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    • 1999
  • The purpose of this study was to approve the possibility of clinical application of selftesting technique to confirm the cleanness status of the tooth surface after mechanical toothbrushing. Thirty-two periodontal patients who did not compromise any other systemic diseases were divided into two groups. Control group was instructed only the Bass method for toothbrushing, and then experimental group was demonstrated the Bass method and self-testing technique respectively for plaque control during this experiment. Selftesting technique is composed the comparison of roughness of the labial surface of maxillary central incisor and other toothsurface with touch sense using the tip of tongue. Plaque score and Gingival index were measured as clinical parameters at baseline and 1, 2 and 4 weeks after scaling and root planing. The results were as follows ; 1. Plaque scores and gingival index of 1, 2, and 4 weeks of two groups were statistically significant differences when compared with baseline value (p<0.05). 2. Plaque scores and gingival index of baseline and 1 week between two groups were not significant differences (p<0.05). 3. Plaque scores and gingival index of 2 and 4 weeks of test group were statistically significant difference when compared with control group (p<0.05). From the above results, self-testing technique which decides necessity of additional toothbrushing when tongue tip of subjects touch the maxillary molar buccal surfaces and mandibular molar lingual surfaces nd compares with maxillary anterior labial surfaces after toothbrushing appeared to effect the motivation of subjects. This study suggests that self-testing technique for cleanness after toothbrushing should be effect on the maintenance of oral hygiene when it is applied to clinical practice.

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