• Title/Summary/Keyword: correlationship

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A Study on the Correlationship between EEG Complexity by Nonlinear Dynamics Analysis and Impedance Cardiography (비선형 동역학적 방법을 통한 뇌파 복잡도와 임피던스 심장기록법(ICG) 지표와의 상관성 연구)

  • Ryu, Jae-Min;Park, Young-Bae;Park, Young-Jae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.11 no.2
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    • pp.128-140
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    • 2007
  • Purpose: We performed this study to examine the correlationship between EEG complexity and impedance cardiography data using correlation analysis. Method: This study performed on 30 healthy subjects(16 males, 14 females). Before and after natural respiration, ICG data were recorded, and EEG raw data were measured by moving windows during 15 minutes. The correlation dimension(D2) was calculated from 15 minutes data. 8 channels EEG data were analysed with 9 index of ICG data by correlation analysis. Result: 1. ACI of impedance cardiography had significant correlationship with ch.4 of EEG complexity(p=0.03). 2. VI of impedance cardiography had significant correlationship with ch.3 of EEG complexity(p=0.034) and ch.4 of EEG complexity(p=0.017). 3. HR, TFC, PEP, LVET, STR of impedance cardiography had no significant correlationship with all of 8 channel EEG complexity. Conclusions: These results suggest that nonlinear analysis of EEG and impedance cardiography have some significant correlationship. And it can make out relationship between brain system and cardiovascular system. In the future, therefore, more study of these fields are necessary.

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The Analysis on the Correlationship for Rousing Demands and Water Supply Ratio (주택수요 예측을 위한 주택량과 상수도보급률의 상관성 분석)

  • Yang Seung-Won;Park Keun-Joon
    • Korean Journal of Construction Engineering and Management
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    • v.6 no.2 s.24
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    • pp.61-68
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    • 2005
  • The analysis described in this paper indicate the existence of a correlationship for housing demand and water supply ratio. Using subjective statistical data for the trend of population on regional area, water supply ratio and the number of households, the paper examines the correlationship of forecasting factors for apartments in the ways in which the tendency of demands for apartments and water supply ratio have been analyzed within small and mediumsized city. Differences in the correlationship on the several scale of a city are also taken into account in the analysis. The summary table of the tendency for housing supplies, population and water supply ratio on each scale of a city was generated using data from LAIB. This study attempted to address certain factors that are measurable within a specified paradigm, in order to investigate the extent to which the expectation of apartment supplies can be estimated from the correlationship of water supply ratio. Therefore, it can be suggested that the limited scale of a city are set to maintain the correlationship for housing demands and water supply ratio.

THE STUDY ABOUT THE DIAGNOSTIC PARAMETERS OF OPSTEOPOROSIS ON PANORAMIC RADIOGRAPH (골다공증의 파노라마방사선사진상 진단학적 매개변수에 관한 연구)

  • Lee, Yong Gyoo
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.20 no.4
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    • pp.279-283
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    • 1998
  • The osteoporosis is a disease that represents a reduction in the volume of bony tissue relative to whole bone volume. And mandible also may be affected. Such porotic mandible may influence the result of the surgery like dental implant surgery relating mandible. So, the author examed the panoramic view of 89 persons for finding the possibility of useful diagnostic parameters of osteoporosis. To know the correlationship between the condition of vertebra and mandible, bone marrow density of lumbar spine from 2nd to 4th, and the number of residual tooth, panoramic mandibular index (PMI), angular cortical bone thickness (ACT) and ramus cortical bone thickness (RCT) were compared. The result is that PMI and ACT have similar relative weak linear correlationship, RCT have very weak linear correlationship, the number of residual tooth have not linear correlationship.

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A study on the morphological changes of lower incisor and symphysis during surgical-orthodontic treatment in skeletal class III malocclusion (악교정 수술을 받은 골격성 III급 부정교합자의 치료전후 하악전치부 치조골 형태변화에 대한 연구)

  • Ahn, Hyung-Soo;Kim, Seong-Sik;Son, Woo-Sung
    • The korean journal of orthodontics
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    • v.32 no.5 s.94
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    • pp.361-373
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    • 2002
  • The purpose of this study was to evaluate the morphological changes of olveolar bone and mandibular symphysis of lower incisor by presurgical orthodontic treatment and orthognathic surgery in skeletal class III malocclusion. The sample consisted of 30 adult class III malocclusion patients who have received bilateral sagittal split mandibular osteotomy. Lateral cephalograms were taken before treatment, after presurgical orthodontic treatment and 3 months after orthognathic surgery. Skeletal and symphyseal measurements were compared and the relationships between them were analysed. The results were as follow : 1. The labial and lingual alveolar bone height in presurgical and postsurgical group were decreased than that of pretreatment group. 2. The vertical measurements of the craniofacial skeleton showed reverse correlationship with anteroposterior width of basal alveolar bone, but IMPA showed correlatiionship (p<0.01) 3. The craniofacial skeleton and the change of symphyseal measurements(symphyseal length, symphyseal width) showed no correlationship. 4. The labial alveolar bone height showed correlationship with lingual alveolar bone height(p<0.001), and negative correlationship with lingual alveolar crestal width(p<0.01). Labial and lingual alveolar crestal width has negative correlationship (p<0.05). Mandibular symphyseal length and width has positive correlationship(p<0.01). 5. IMPA, LISA showed negative correlationship with labiolingual alveolar bone height and lingual alveolar width and positive correlationship with labial alveolar base bone width.

The Oriental Medicine Study of Correlationship in SuSamUm-meridian with Muscles in A.K (A.K 에서 수삼음경(手三陰經)과 근육의 상관성에 대한 한의학적 고찰)

  • Jang, Kwan-Ho;Song, Yun-Kyung;Lim, Hyung-Ho
    • The Journal of Korea CHUNA Manual Medicine
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    • v.4 no.1
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    • pp.167-171
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    • 2003
  • Objectives: The Applied Kinesiology(A.K) doctors diagnose and treat a patient by using muscles related to 12 main meridian. The purpose of study is to make It clear what the Correlationship in SuSamUm-Kyung of 12 Joung-Kyung with Muscles in A.K is. Method: In the Lung meridian and the Heart meridian, the Sidong.Sosang-disease and the related muscles are used. In the Pericardium meridian Correlationship in the Kidney with the lower limbs and the Pericardium with the Kidney is used. Results & Conclusion: Summarized as follows 1. The Lung meridian is related to the triceps and the levator scapulae in th Sidong.Sosang-disease and the serratus anterior in the symptoms of the muscles' stiffness. 2. The Heart meridian is related to the subscapularis in The Applied Kinesiology(A.K) the referred pain of the subscapularis and KukCheon-hole of The Heart meridian. 3. The Pericardium meridian is related to the correlated muscles in the correlationship the Kidney with the lower limbs and the Pericardium with the Kidney.

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A Study on Nitrogen and Phosphorus Concentration in Chung Ju Intake Reservoir (淸州取水源의 窒素 및 燐濃度에 관한 調査硏究)

  • Lee, Yeoung Shin;Lee, Hong Keun
    • Journal of Environmental Health Sciences
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    • v.12 no.2
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    • pp.27-37
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    • 1986
  • This study was carried out to investigate inflow stream of Chungju intake reservoir and in catchment area, run-off loading amount, distribution of Nitrogen and phosphorus, N/P ratio, correlationship between T-N and chlorophyll a, correlationship between T-P and chlorophyll a, and study of trophic state. Field survey was carried out from June to August, 1985, for the purpose of finding out the nitrogen and phosphorus concentration in Chungju intake reservoir.

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On the asymptotic correlationship for some process capability indices Ĉp, Ĉpk and Ĉpm (공정능력지수 Ĉp, Ĉpk와 Ĉpm를 위한 점근적 상관성에 관한 연구)

  • Cho, Joong-Jae;Yu, Hye-Kyung
    • Journal of the Korean Data and Information Science Society
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    • v.24 no.3
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    • pp.465-475
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    • 2013
  • Higher quality level is generally perceived by customers as improved performance by assigning a correspondingly higher satisfaction score. Usually, the quality level is measured by process capability indices. The index is used to determine whether a production process is capable of producing items within a specified tolerance. Some useful process capability indices $C_p$, $C_{pk}$ and $C_{pm}$ have been widely used in six sigma industries to assess process performance. Most evaluations on process capability indices focus on point estimates, which may result in unreliable assessments of process performance. It is necessary to investigate their asymptotic correlationship among process capability indices $\hat{C}_p$, $\hat{C}_{pk}$ and $\hat{C}_{pm}$. In this paper, we study their asymptotic correlationship for some process capability indices $\hat{C}_p$, $\hat{C}_{pk}$ and $\hat{C}_{pm}$ under the normal process.

A Study on the Correlationship between Hwa-Byung and Various Factors including Sasang Constitution : for the Inhabitants of Gangwon-do in 2006 (화병과 사상체질 및 기타 요인과의 관련성 연구 : 2006년, 강원도 지역 주민을 대상으로)

  • Jeong, Ha-Ryong;Koh, Sang-Baek;Park, Jong-Ku;Yu, Jun-Sang;Kong, Kyung-Hwan;Lee, Jae-Hyok
    • Journal of Oriental Neuropsychiatry
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    • v.21 no.1
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    • pp.159-172
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    • 2010
  • Objectives: The purpose of this research is to investigate correlationship between Hwa-Byung and various factors, including Sasang Constitution. Methods: The research about Hwa-Byung, various factors and Sasang Constitution were carried out for 649 Participants, male was 272 and female was 377. Hwa-Byung diagnosed by Hwa-Byung Diagnostic Interview Schedule(HBDIS). Sasang Constitution was diagnosed by a Sasang Constitutional specialist with recorded voices, face pictures, tongue pictures and researched data about Sasang Constitution. Collected data were analyzed by the qui-square test and t-test. Results: 1. The prevalence of Hwa-Byung in Taeeumin and Soeumin were higher than that of Soyangin but it was not significant. 2. In the case of meeting frequency of friends, Hwa-Byung group was higher than none Hwa-Byung group and it was significant. 3. In the case of existence of negative influencing people, the rate of Hwa-Byung group was higher than that of none Hwa-Byung group. Among them, Interfere, Blame, Discomfort and Indifferent were significant. Conclusions: Hwa-Byung may have correlationship with Sasang Constitution, meeting frequency of friends and existence of negative influencing people.

The relationship between neck pain and psychological state in female office workers. (경항부 통증과 심리적 상태와의 상관성에 관한 연구)

  • Jung, Jae-Yung;Kim, Sung-Su
    • The Journal of Churna Manual Medicine for Spine and Nerves
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    • v.4 no.2
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    • pp.1-12
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    • 2009
  • Objectives : The purpose of this study was to investigate the relationship between pain and psychological state in female office workers with neck pain. Methods : Experimental group of 31 healthy subjects complained of neck and arm discomfort related to computer use which lasted more than 3 months in the past year and was present in the past 7 days as well as on the day of test. Outcomes were assessed by meridian-electromyography(MEMG), Neck Disability Index(NDI), Visual Analog Scale(VAS), Beck Depression Inventory(BDI), Stress Reaction Inventory(SRI), Holmes & Rahe Social Readjustment Rating Scale(SRRS). Results : The NDI score and BDI score had a correlationship(r=0.48), and the NDI score and SRI score also had a correlationship(r=0.48), significantly. The NDI score and contraction power of upper trapezius by MEMG had a correlationship significantly, but with the other muscles the NDI score didn't have correlationships. The NDI score and the SRI score were significantly higher in depression group(BDI score ${\circ}{\surd}$14). The contraction power of trapezius by MEMG was significantly lower in depression group. Conclusions : The results suggest that mental stress can be a major risk factor of neck pain in female office workers.

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A STUDY ON THE CORRELATIONSHIP BETWEEN PANTOGRAPHIC REPRODUCIBILITY INDEX(PRI) AND PATTERNS OF MANDIBULAR MOVEMENTS USING MANDIBULAR KINESIOGRAPH (Mandibular Kinesiograph를 이용한 하악운동의 형태와 PRI(Pantographicc Reproducibility Index)와의 비교)

  • Choi, Jeong-Ho;Song, Kwang-Yeob;Park, Charn-Woon
    • The Journal of Korean Academy of Prosthodontics
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    • v.29 no.1
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    • pp.289-303
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    • 1991
  • The purpose of this study is to investigate the correlationship between Pantographic Reproducibility Index(PRI) scores and patterns of mandibular movements by mandibular kinesiograph(MKG) that has been used to diagnose temporomandibular disorders. PRI scores have been measured in normal and symptom groups by tracing Denar mechanical pantograph. Maximum lateral deviation, opening & closing velocity, and clinical rest position of mandibular movements have been analyzed in the same group when the mandible is opened and closed. According to to Helkimo's Dysfunction Index, the students and graduates of College of Dentistry are classified as 6 normal groups and 42 symptom groups. The obtained reslts are as follows : 1. The mean of PRI scores was larger in symptom groups than in normal groups. 2. The mean of maximal laterotrusion in frontal trajectory was larger in symptom groups than in normal groups. 3. There was little significant correlationship observed between PRI scores and patterns of mandibular movements by MKG.

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