BACKGROUND/OBJECTIVES: The Dietary Reference Intakes for Koreans (KDRIs), a set of reference intake values, have served as a basis for guiding a balanced diet that promotes health and prevents disease in the general Korean population. In the process of developing DRIs, a systematic review has played an important role in helping the DRI committees make evidence-based and transparent decisions for updating the next DRIs. Thus, the 2015 KDRI steering committee applied the systematic review framework to the revision process of the KDRIs. The purpose of this article is to summarize the revision process for the 2015 KDRIs by focusing on the systematic review framework. MATERIALS/METHODS: The methods used to develop the systematic review framework for 2015 KDRIs followed the Agency for Healthcare Research and Quality and the Tufts Evidence-based Practice Center. The framework for systematic review of the 2015 KDRIs comprised of the 3 following steps: (1) development of an analytic framework and refinement of key questions and search terms; (2) literature search and data extraction; and, (3) appraisal of the literature and summarizing the results. RESULTS: A total of 203,237 studies were retrieved through the above procedure, with 2,324 of these studies included in the analysis. General information, main results, comments of reviewers, and results of quality assessment were extracted and organized by study design. The average points of quality appraisals were 3.0 (range, 0-5) points for intervention, 6.1 (0-9) points for cohort, 6.0 (3-9) points for nested case-control, 5.4 (1-8) points for case-control, 14.6 (0-22) points for cross-sectional studies, and 7.0 (0-11) points for reviews. CONCLUSIONS: Systematic review helped to establish the 2015 KDRIs as a useful tool for evidence-based approach. Collaborative efforts to improve the framework for systematic review should be continued for future KDRIs.
This study of purpose was to define the relationship between the stress and climacteric symptoms of middle-aged women in order to provide basic data for the development of women's health care program as nursing intervention. The research tools used were a Soon-Young Park's stress questionnaire (4 points scale) and a self diagnostic MENSI scale (3 points scale) developed by a research team of Ill-Yang Pharmacy Co. This research was conducted in Korea in Muan-Gun. Chonnam province, from 22th November to 20th December 1999. The research used a survey design. Seven hundred eleven healthy middle-aged women, aged 40 to 64, and were a convenience sample by stratified ratio using the matching fixed residential and aging blocks. The data were analyzed by GLM. Pearson correlation coefficient and Scheffe test using SAS/ PC+. The results were summarized as follows : 1. The percentage of psychological stress with the following items was: fatigue and enervation, 70.0%; nervous, 61.8%; weakness, 58.5%; The percentage of physical stress with the following items were ; fatigue of eye. 82.3%; backache, 78.0%; headache, 73.8%. 2. The level of psychological stress was 40% of below average level (0-5 points), 31.7 of average level (6-12points), 20.8% of precaution level (13-19 points), and 7.5% of warning level (over 20points). The level of physical stress were 20.1% of below average level (0-5 points), 34.8 of average level (6-12 points), 29.4 of precaution level (13-19 points), and 15.7% of warning level (over 20 points). There were higher physical stress level than psychological stress level of the subjects. 3. The percentage of climacteric symptoms with the following items were : numbness, 75.3%; forgetfulness, 71.0%; pain of joints, 71.0%. The level of climacteric symptoms were 61.8% of mild level 1(10-15 points), 33.0% of moderate level (16-30 points), 5.2% of severe level (over 31 points). 4. There were high positive correlations significantly between the climacteric symptoms and the psychological stress (r=.564. P<0.000), and between the climacteric symptoms and the physical stress of the subjects(r=.678, P<0.000). 5. There were significant differences in the climacteric symptoms of the subjects among below average level, average level, precaution level, and warning level of the psychological stress (F=74.108. P<0.000. Scheffe test). 6. There were significant differences in the climacteric symptoms of the subjects among below average level, average level and precaution level, and warning level of the physical stress ((F=128.181, P<0.000, Scheffe test). In summary, climacteric symptoms complained by middle-aged women are high positive correlated to the level of the stress. Also climacteric symptoms were affected by stress.
In this study, a process is proposed to calculate analytical correction values for the vertical shortening of all columns on all floors in a high-rise building that minimizes the error between the structural analysis predictions and values measured during construction. The weight ratio and the most probable value were accordingly considered based on the properties of the shortening value analyzed at several points in each construction stage and the distance between these measured points and unmeasured points at which the shortening was predicted. The effective range and shortening value normalization were considered using the column grouping concept. These tools were applied to calculate the error ratio between the predicted and measured values on a floor where a measured point exists, and then determine the estimated error ratio and estimated error value for the unmeasured point using this error ratio. At points on a floor where no measured point exists, the estimated error ratio and the estimated error value were calculated by applying the most probable value considering the weight ratio for the nearest floor where measured points exist. In this manner, the error values and estimated error values can be determined at all points in a structure. Then, the analytical correction value, defined as this error or estimated error value, was applied by adding it to the predicted value. Finally, the adequacy of the proposed correction method was verified against measurements by applying the analytical corrections to all unmeasured points based on the points where the measurement exists.
Kim, Jae-Young;Yong, Hae-Sung;Park, Kwang-Ho;Huh, Jong-Ki
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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v.45
no.6
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pp.309-315
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2019
Objectives: The aim of this study was to evaluate the validity of the existing classification and difficulty index of impacted mandibular third molars in clinical situations and propose a more practical classification system. Materials and Methods: This study included 204 impacted mandibular third molars in 154 patients; panoramic x-ray images were obtained before tooth extraction. Factors including age, sex, and pattern of impaction were investigated. All impacted third molars were classified and scored for spatial relationship (1-5 points), depth (1-4 points), and ramus relationship (1-3 points). All variables were measured twice by the same observer at a minimum interval of one month. Finally, the difficulty index was defined based on the total points scored as slightly difficult (3-4 points), moderately difficult (5-7 points), very difficult (8-10 points), and extremely difficult (11-12 points). Results: The strength of agreement of the total points scored and difficulty index were 0.855 and 0.746, respectively. Most cases were classified as moderately difficult (73.0%). Although only 13 out of 204 cases (6.4%) were classified as extremely difficult, patients classified as extremely difficult were the oldest (P<0.05). Conclusion: For difficulty classification, the authors propose one more difficult category beyond the existing three-step difficulty index: the clinician should consider the patient's age in the difficulty index evaluation.
The purpose of this study is to examine the relationships between body mass index (BMI), satisfaction of perceived somatotype, and eating disorder of 133 female college students from Gyeong-gi province. The average weight is $55.3{\pm}8.8kg$, and the BMI is categorized into three groups: underweight, normal weight, and overweight. In terms of the satisfaction for perceived somatotype, 58.6% of the total respondents replied "unsatisfied," which consists of 14% of the underweight group, 37.6% of the normal weight group, and 6.8% of the overweight group. This reveals that the negative association between the satisfaction levels of perceived somatotype and BMI in the normal weight group is statistically significant (p<0.001). Among three eating disorder scores, the first factor, the drive for thinness, shows significant difference (p<0.005) among groups with 2.82 points in the underweight group, 3.38 points in the normal weight group, and 3.86 points in the overweight group; such result shows that there is a drive for being skinny even within the underweight group. Second, the satisfaction levels of perceived somatotype type shows significant dissatisfaction among all groups with 3.41 points in the underweight group, 4.15 points in the normal weight group and 4.73 points in the overweight group. Third, the bulimia degree reveals a significant difference within each group, 2.15 points in the underweight group, 2.33 points in the normal weight group, and 2.78 points in the overweight group. Overall, more than half of the female college students are dissatisfied with their body shapes despite the fact that they are under or within the normal weight. In addition, the drive for being skinny and dissatisfaction levels of perceived somatotypes appear to be significantly higher with higher BMI levels.
Park, Sang-Ill;Choi, Hyung-Il;Cheong, Kyung-Hoon;Jung, Sang-Chul
Journal of Environmental Science International
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v.18
no.4
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pp.389-400
/
2009
In this research, we measured the number of lanes, distance, disposition of apartment that are affecting the road traffic noise to evaluate the current condition of G city's road traffic noise. We decide on a basis regarding an apartment price formation factor, and the apartment current price and the results that compared. To have a point scale, we set the maximum road traffic noise at a 8 lane road for 5 points, give 4 points for a 6 lane road, which has a $2.1{\sim}2.5\;dB(A)$ difference compared to a 8 lane road, give 3 points for a 4 lane road, which has a $5.2{\sim}5.5\;dB(A)$ difference compared to a 8 lane road, and set 2 points for a 2 lane road and lower. If we set the standard floor plan as horizontal and a living room facing the roadside, the horizontal and living room facing the opposite side of the road is 1 point because it differs by 14.1 dB(A), and the vertical is 3 points since the difference is 5.3 dB(A). If we make grades by the distance, making standard the fifth floor with little soundproof effect from apartment to road, we observe a measurement below 2.9 dB(A) at a distance of less than 10 m and 5 dB(A), decreased at a distance of 20 m. Therefore, 4 points were given for less than 10m, 3 points for $10{\sim}20\;m$, 2 points for more than 20 m as we can apply the effect of a decay distance of line sound source and the decrease in noise effects of more than 6 dB(A), 1 point for more than 40m, and 0 points for more that 80 m since it is negligible. 28 apartments got 0 points because there is no effect of road traffic noise from other apartments, and 50 apartments where only the road at one side effect them got $5{\sim}10$ points. 4 apartments (17-2, 6-3, 10-4, 3-3) received over 20 points. 15 cases showed a difference between developer price and resale price, and 11 cases (73%) among them showed the same trend (price increases with a low road traffic noise restriction factor point) with the point of road traffic noise restriction factor. 4 cases demonstrated the opposite trend, showing price increases with a high restriction factor point. Among the 4 cases, case numbers 2,6 and 9 appear to be more affected by the location factor (business district) than the road traffic noise restriction factor, and case number 1 appears to be affected by the building factor (openness and direction).
Objectives : The purpose of the study is to develop and to evaluate the oral health education program using computer assisted instruction(CAI) for the elementary school students. This study was carried out from November, 2012 to February, 2013. Methods : The subjects were 188 elementary school students of the first, second, and third grades in Buk-gu, Busan. The education was provided as computer assisted instruction and conventional classroom education. Three trained dental hygienists recorded three times of knowledge of oral health, oral health attitude, oral health behaviors and the plaque control index(O'Leary index). Results : CAI group showed high score of oral health knowledge of 6.74 points, 8.62 points and 8.38 points(p<0.01). In oral health attitude, the scores were 7.40 points, 8.01 points, and 7.99 points(p<0.05). In oral health behavior, the scores were 5.47 points, 6.14 points, and 5.61 points(p<0.05). The plaque control index was 22.59 points, 19.69 points, and 21.44 points(p<0.01). Conclusions : CAI education program of this study showed the effective education for the elementary school students. So the CAI education program can be useful and disseminated to the community project.
This study describes the reliability of pragmatic combinations of acupuncture points for lateral epicondylalgia (LE) as prescribed by physiotherapists who were experts in acupuncture. Raters (n = 14; 33-59 years) independently prescribed acupuncture points for 30 simulated human patients with LE who were surveyed via a printed questionnaire. The frequency and cooccurrence of acupuncture points prescribed for patients with lateral epicondylitis were assessed. Absolute agreement and Light's kappa (${\kappa}_{Light}$) with 95% confidence interval (CI) were used to quantify the interrater agreement. Raters prescribed 103 unique acupuncture points in different combinations with a median (min-max) of 5 (0-11) acupuncture points. The most prescribed acupuncture point was LI-11 (297 of 420; 71%), and the most common cooccurring acupuncture points were LI-11 and LI-4 (160 of 420; 38%). The absolute agreement for prescribing the acupuncture points ranged from 70% (point GB-20) to 0% (points LI-10, SP-6, LI-11, GB-34, LI-12, and LI-4). Point LR-3 showed the highest interrater reliability for prescribing the acupuncture points [${\kappa}_{Light}=0.112$, 95% CI = (0.055-0.194)], whereas point LI-4 showed the lowest reliability [${\kappa}_{Light}=-0.003$, 95% CI = (-0.024 to 0.024)]. These findings suggest that pragmatic prescriptions of acupuncture points for LE are unreliable among physiotherapists who are experts in acupuncture. Explicit, high-level evidence-based rules for prescribing and teaching combinations of acupuncture points for LE are warranted.
Communications for Statistical Applications and Methods
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v.15
no.6
/
pp.899-908
/
2008
If the regression function has jump points, nonparametric estimation method based on local smoothing is not statistically consistent. Therefore, when we estimate regression function, it is quite important to know whether it is reasonable to assume that regression function is continuous. If the regression function appears to have jump points, then we should estimate first the location of jump points. In this paper, we propose a procedure which can do both the testing hypothesis of discontinuity of regression function and the estimation of the number and the location of jump points simultaneously. The performance of the proposed method is evaluated through a simulation study. We also apply the procedure to real data sets as examples.
The aim of this studies was to elucidate the meaning, theoretical propriety and use of the Sea points in PYOYOUBU. The results obtained were as follows : We reached a conclusion that Sea points, that is to say Xuehai($SP_{30}$), Xiaohai($SI_8$), Shaohai($HT_3$), Zhaohai($KI_6$), Qihai ($CV_6$) were gathering places of meridian energy. And the remedial function of Sea points against visera and bowel disease was closely connected with it's meridian pointological naming. Besides the remedial function of Sea points like this was closely connected with the cases in literature cited.
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