Seo, Jae-Ho;Choi, Jin-Yong;Oh, Whan-Sup;Park, Young-Bae;Park, Young-Jae
The Journal of the Society of Korean Medicine Diagnostics
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v.18
no.1
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pp.1-10
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2014
Objectives Visual inspection is the first diagnostic method in Oriental medicine, and visual inspection of eyes is the one among them. This study was written in order to complement further understanding on visual inspection of eyes. Methods 1. Out of 102 photographs submitted to the Society of HyungSang Medicine in 2009, 27 portrait pictures were selected as samples in blind by 2 clinicians. The samples were copied to make 54 sample pictures, and then randomly assigned to 4 clinicians. 2. The 4 clinicians evaluated the 54 samples for excess and deficiency of the eyes. The results were recorded as 5-points-scale, and their average and standard deviation was calculated. 3. Intra and inter class reliability test were measured using SPSS 13. Results For intra- and inter-class correlation coefficient (ICC) values were measured as 0.654~0.967 and 0.756~ 0.783 respectively, with the P-value below 0.05. Out of 27 originally selected samples, 7 pictures were selected as Deficiency Samples (with 3 pictures of male and 4 of females), and 20 as Excess Samples (with 4 of male and 16 of female). Among them, Sample No. 1, 9, 22, and 26 were selected as models of 'Excessive Eyes' for females, no. 4 and 5 as 'Very Excessive Eyes' for male and females, and no. 15 as 'Moderate Eyes' for females. Conclusion This study is the first attempt of quantitative measurement of excess and deficiency using the Visual Inspection of eyes by the visual inspection experts. Still, additional studies are needed regarding the relationship visual inspection methods have with existing standards of diagnosis.
The aim of the present study was to assess criterion validity and external reliability of a questionnaire on risk factors for breast cancer. Materials and Methods. Women with breast cancer diagnosis (the cases) (N=40) and matched individuals without cancer (the controls) (N=40) were asked to fill in a questionnaire twice: on a day of admission to hospital (Q1) and on a day before discharge (Q2), with a time interval of 4-6 days. The questionnaire included questions (N=150) on demographic and socioeconomic factors, diseases in the past, family history of cancer, woman's health, smoking, alcohol use, diet, physical activity, and work environment. Criterion validity of the questionnaire Q2 relative to reference questionnaire Q1 was assessed with the Spearman correlation coefficient (SCC); external reliability of the questionnaire was measured in terms of the intraclass correlation coefficient (ICC). Statistical analysis was performed with SPSS 16. Results. The responses to most of the questions on socioeconomic factors, family history on cancer, female health, lifestyle risk factors (smoking, alcohol use, physical activity) correlated substantially in both the cases and the controls with SCC and ICC>0.7 (p<0.01). Statistically non significant relationships defined only between the responses on amount of beer the cases drank at the ages up to 25 years and 26-35 years as well as time of use of estrogen and estrogens-progestin during menopause by the cases. Moderate and substantial SCC and ICC were determined for different food items. Only the response of the cases on veal consumption did not correlate significantly. Conclusions. The questionnaire on breast cancer risk factors is valid and reliable for most of the questions included.
Kim, Eo Jin;Shin, Hyuk Soo;Lee, Jae Hee;Kyung, Min Gyu;Yoo, Hyo Jeong;Yoo, Won Joon;Lee, Dong Yeon
Clinics in Orthopedic Surgery
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v.10
no.4
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pp.484-490
/
2018
Background: The use of three-dimensional multi-segment foot models (3D MFMs) is increasing since they have superior ability to illustrate the effect of foot and ankle pathologies on intersegmental motion of the foot compared to single-segment foot model gait analysis. However, validation of the repeatability of the 3D MFMs is important for their clinical use. Although many MFMs have been validated in normal adults, research on MFM repeatability in children is lacking. The purpose of this study is to validate the intrasession, intersession, and interrater repeatability of an MFM with a 15-marker set (DuPont foot model) in healthy children. Methods: The study included 20 feet of 20 healthy children (10 boys and 10 girls). We divided the participants into two groups of 10 each. One group was tested by the same operator in each test (intersession analysis), while the other group was tested by a different operator in each test (interrater analysis). The multiple correlation coefficient (CMC) and intraclass correlation coefficient (ICC) were calculated to assess repeatability. The difference between the two sessions of each group was assessed at each time point of gait cycle. Results: The intrasession CMC and ICC values of all parameters showed excellent or very good repeatability. The intersession CMC of many parameters showed good or better repeatability. Interrater CMC and ICC values were generally lower for all parameters than intrasession and intersession. The mean gaps of all parameters were generally similar to those of the previous study. Conclusions: We demonstrated that 3D MFM using a 15-marker set had high intrasession, intersession, and interrater repeatability in the assessment of foot motion in healthy children but recommend some caution in interpreting the hindfoot parameters.
The Journal of Korea Institute of Information, Electronics, and Communication Technology
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v.16
no.5
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pp.338-346
/
2023
During isometric elbow flexion, forearm length should be an important factor to determine not only joint torque but also maximum endurance time (MET), when the forearm is perpendicular to the direction of the force. The purpose of this paper is to examine the effect of forearm length as an additional factor on empirical models of MET such as an exponential model and a power model during isometric elbow flexion. Thirty volunteers participated in our experiment to measure factor variables such as circumferences and lengths of their upper and lower arms. Their METs were measured according to the percent of maximum voluntary contraction intensity (%MVC). For the multiple linear regression model of ln(MET) using these measurements, significant variables could be observed in %MVC and forearm lengths (P<0.05). The empirical models were assessed by these models using forearm length as the additional factor. Mean absolute deviations (MAD) between the measured METs amd the two empirical models were about 19.4 [s], but MAD using models applied forearm lengths were reduced to about 16.2 [s]. The correlation coefficients and intraclass correlation coefficients were about 0.87, but those applied forearm lengths were increased to about 0.91. These results demonstrated that forearm length was a significant additional factor to the empirical model.
Objective: The Back Mapper is one type of Rasterstereography and it can be used in the clinic without radiation exposure. The purpose of our study was to prove the reliability and validity of the Back Mapper and to compare it with the Spinal Mouse, which is an assessment tool for spinal curvatures using a wheeled mouse, and the Cobb angle by X-ray. Design: Cross-sectional study. Methods: Twenty healthy adults participated in the test to investigate for the inter-rater reliability, intra-rater reliability, and concurrent validity. The tests were performed with assessment devices for scoliosis such as the Back Mapper, Spinal Mouse and Cobb's angle. Data was analyzed by an intraclass correlation coefficient (ICC) value and a standard error of measurement for reliability and correlation analysis for validity. Results: Intra-rater reliability of the Back Mapper was good (Cronbach's ${\alpha}$=0.821-0.984, ICC=0.696-0.969) except for assessing the lordotic angle. Inter-rater reliability was good (Cronbach's ${\alpha}$=0.870-0.958, ICC=0.770-0.919) in assessment for trunk imbalance, rotation of scapulae, thoracic angle, lumbar angle, and kyphotic angle. The kyphotic angle in the Spinal Mouse had a significant correlation icompared with the Back Mapper (r=0.510, p<0.05), and the Cobb's angle from an X-ray had a significant correlation with trunk inclination (r=0.532, p<0.05). Conclusions: These findings provide good intra-reliability of the Back Mapper in healthy subjects, but the Back Mapper requires more experienced practice to have good inter-reliability. Also, the variables of the Back Mapper does not seem as appropriate compared with the Cobb angle by X-ray.
Yoo, Yeon Hwan;Park, Ji-Hyuk;Jung, Min-Ye;Park, Hae Yean
Therapeutic Science for Rehabilitation
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v.7
no.2
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pp.51-61
/
2018
Objective: The purpose of this study was performed to modify the performance-based assessment tool, Melbourne Low-Vision ADL Index (MLVAI) had been developed in Australia to suit the Korea culture to verify the reliability and validity. Methods: The subjects were only over the age of 20 living in communities, 26 with low-vision and 42 normal persons. The Korean MLVAI was completed through the expert translation verification and validation of the configuration tool. The validity of the Korean MLVAI was established through the content, discriminant, and convergent validity. Also, the reliability was analyzed through internal consistency reliability for the items, test-retest, and interrater reliability. Results: The Content Validity Index(CVI) was more than .78. There was a statically significant low in low-vision. Also, there was a statically significant low in low-vision. The convergent validity was determined the correlation coefficient of .751 analyzing LVQOL and Korean MLVAI total score, had a significant correlation(p<.05). Cronbach's ${\alpha}$ coefficient indicated an internal consistency of .983(p<.05). Test-retest reliability had a high, significant correlation of .976 and interrater reliability had a high, an intraclass correlation coefficient of .91(p<.05). Conclusion: The results of this study mean that the Korean MLVAI which was modified to fit the Korean is the ADL assessment tool with both validity and reliability. Based on this study, the Korean MLVAI can be used as a useful ADL assessment for OT interventions in low vision.
Journal of rehabilitation welfare engineering & assistive technology
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v.11
no.2
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pp.157-163
/
2017
The aim of the study is to examine the reliability and validity of UFOV, which is a visual driving evaluation tool that has been proven to be reliable and valid in western countries, for the purpose of adapting the tool in a systematic manner to the South Korean population. Two evaluator assessed 23 healthy and 19 stroke patients with UFOV, Trail Making Test A & B(TMT A & B) and Motor Free Visual Perception Test(MVPT) from 7 October 2014 to 25 November, 2014. The researcher analyzed inter-rater reliability, correlation between raters of UFOV with Intraclass correlation coefficient, test-retest reliablility, UFOV with spearman correlation coefficient, concurrent validity, UFOV, TMT A & B and MVPT with spearman correlation coefficient, and discriminative validity, comparison mean scores of UFOV between groups, healthy and stroke with Mann-Whitney U test. UFOV score of participants with stroke had lower compared to the healthy control group. The inter-rater reliability(p<.001), test-retest reliability(p<.01) and concurrent validity(p<.01) was statistically significant. Also discriminant validity was statistically significant(p<.001). Based on this study, Use of UFOV for drivers at risk is essential to prevent future traffic accidents and support driving rehabilitation.
Park, Jong-Woong;Huh, Kyung-Hoe;Yi, Won-Jin;Heo, Min-Suk;Lee, Sam-Sun;Choi, Soon-Chul
Imaging Science in Dentistry
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v.44
no.2
/
pp.95-102
/
2014
Purpose: This study was performed to evaluate the reproducibility of panoramic radiographs of dentulous and edentulous patients. Materials and Methods: The reproducibility of panoramic radiographs was evaluated using the panoramic radiographs acquired from 30 anterior dentulous patients by using a common biting positioning device (dentulous group) and 30 anterior edentulous patients by using chin-support devices to take a panoramic radiograph (edentulous group), respectively; these patients had undergone 3 or more panoramic radiographs. The widths and angles between the designated landmarks were measured on the panoramic radiographs, and the reproducibility was evaluated using the intraclass correlation coefficient (ICC) and the coefficient of variation. Results: In the dentulous and edentulous groups, the ICCs of the mandibular ramus and mandibular angle areas were higher than the condylar head and zygomatic areas. The mandibular ramus and angle areas showed statistically lower mean coefficients of variation than the condylar head and zygomatic areas in the dentulous group. The mandibular angle area showed a significantly lower mean coefficient of variation than the zygomatic area in the edentulous group. By comparing the two groups, each ICC of the edentulous group was lower than that of the dentulous group, and the mean coefficients of variation of the mandibular ramus area, zygomatic area, left condylar inclination, and ramus ratio between the right and the left in the edentulous group were significantly higher than those in the dentulous group. Conclusion: Biting positioning for dentulous patients provided better positioning reproducibility than chin-support positioning when performing panoramic radiography for edentulous patients.
Kim, Ji-Hoon;Yum, Mi-Sun;Jeong, Soo-Jin;Ko, Tae-Sung
Clinical and Experimental Pediatrics
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v.52
no.7
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pp.772-777
/
2009
Purpose : We aimed to compare the effectiveness of 2 developmental tests-Korean Infant and Child Development Test (KICDT) and Korean Bayley Scale of Infant Development-II (K-BSID-II)-in the assessment of children with developmental delay. Methods : Twenty-eight children with suspected developmental delay, who visited the Department of Pediatrics in Asan Medical Center from February 2007 to June 2008 were enrolled. They were examined using both KICDT and K-BSID-II. The results of the tests were compared on the basis of 2 parameters: age group of the children and detection of organic brain lesion on magnetic resonance imaging (MRI). The correlation between the results of the 2 tests was analyzed using SPSS. Further, intraclass correlation coefficient was calculated using SAS to examine consistency between the results of the 2 tests. Results : The mental developmental index of K-BSID-II showed significant correlation with every KICDT score (P<0.01). The psychomotor developmental index of K-BSID-II was also significantly correlated with every KICDT score except the fine motor score (P<0.01). The mental developmental index of K-BSID-II showed significant correlation [Editor20] with the KICDT gross motor, fine motor, and language scores (P<0.05). Further, there was significant correlation between the psychomotor developmental index of K-BSID-II and the KICDT gross motor score (P<0.05). Conclusion : There was significant [Editor21]correlation between the results of KICDT and K-BSID-II for infants and children with developmental delay. Although our results suggest that KICDT is useful in assessing developmental delay, further research would be needed to standardize this test.
Purpose: The purposes of this study were to evaluate the correlation of clinical tools for assessment of balance and ability of gait, in order to discriminate the phases of sit-to-walk movement of patients with stroke using the motion analysis system, and to investigate the reliability of the phase of sit-to-walk movement according to functional ability of patients with stroke. Methods: Twenty -one patients participated (men 17, women 4) in this study. Sit-to-walk movement of all patients was recorded by the motion analysis system. Berg Balance Scale, Timed Up and Go test, Functional Reach Test, 10 meter Walk Timed Test, and Performance-Oriented Mobility Assessment were used as functional assessment tools. Results: The results of this study showed significant correlation between the phase I, II, IV and total phase duration of sit-to-walk movement and functional assessment tools. In addition, the intraclass correlation coefficient (ICC) showed high reliability in accordance with the functional ability of patients with stroke (Pearson's r 0.93 to 1.00). Conclusion: In conclusion, there is high reliability between measures of the phase of sit-to-walk movement of chronic stroke patients and the clinical assessment tool. Results of this study suggest that measurement of the phase of sit-to-walk movement can be used significantly as an intervention and a clinical tool for patients with stroke.
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