Glucose tolerance tests have been devised to determine the speed of blood glucose clearance. Diabetes is often tested with the standard oral glucose tolerance test (OGTT), along with fasting glucose level. However, no single test may be sufficient for the diagnosis, and the World Health Organization (WHO)/International Diabetes Federation (IDF) has suggested composite criteria. Accordingly, a single multi-class trait was constructed with three of the fasting phenotypes and 1- and 2-hour OGTT phenotypes from the Korean Association Resource (KARE) project, and the genetic association was investigated. All of the 18 possible combinations made out of the 3 sets of classification for the individual phenotypes were taken into our analysis. These were possible due to a method that was recently developed by us for estimating genomic associations using a generalized index of dissimilarity. Eight single-nucleotide polymorphisms (SNPs) that were found to have the strongest main effect are reported with the corresponding genes. Four of them conform to previous reports, located in the CDKAL1 gene, while the other 4 SNPs are new findings. Two-order interacting SNP pairs of are also presented. One pair (rs2328549 and rs6486740) has a prominent association, where the two single-nucleotide polymorphism locations are CDKAL1 and GLT1D1. The latter has not been found to have a strong main effect. New findings may result from the proper construction and analysis of a composite trait.
Blood Glucose ; Classification ; Diagnosis ; Fasting* ; Glucose Tolerance Test* ; Glucose* ; Methods ; Phenotype ; Polymorphism, Single Nucleotide ; World Health Organization

No abstract available.
Larva Migrans* ; Philippines*

Penalized regression has been widely used in genome-wide association studies for jointanalyses to find genetic associations. Among penalized regression models, the least absolute shrinkage and selection operator (Lasso) method effectively removes some coefficientsfrom the model by shrinking them to zero. To handle group structures, such as genes andpathways, several modified Lasso penalties have been proposed, including group Lasso andsparse group Lasso. Group Lasso ensures sparsity at the level of pre-defined groups, eliminating unimportant groups. Sparse group Lasso performs group selection as in group Lasso,but also performs individual selection as in Lasso. While these sparse methods are useful inhigh-dimensional genetic studies, interpreting the results with many groups and coefficients is not straightforward. Lasso's results are often expressed as trace plots of regressioncoefficients. However, few studies have explored the systematic visualization of group information. In this study, we propose a multi-level polar Lasso (MP-Lasso) chart, which caneffectively represent the results from group Lasso and sparse group Lasso analyses. An Rpackage to draw MP-Lasso charts was developed. Through a real-world genetic data application, we demonstrated that our MP-Lasso chart package effectively visualizes the resultsof Lasso, group Lasso, and sparse group Lasso.

Genetic associations have been quantified using a number of statistical measures. Entropy-based mutual information may be one of the more direct ways of estimating the association, in the sense that it does not depend on the parametrization. For this purpose, both the entropy and conditional entropy of the phenotype distribution should be obtained. Quantitative traits, however, do not usually allow an exact evaluation of entropy. The estimation of entropy needs a probability density function, which can be approximated by kernel density estimation. We have investigated the proper sequence of procedures for combining the kernel density estimation and entropy estimation with a probability density function in order to calculate mutual information. Genotypes and their interactions were constructed to set the conditions for conditional entropy. Extensive simulation data created using three types of generating functions were analyzed using two different kernels as well as two types of multifactor dimensionality reduction and another probability density approximation method called m-spacing. The statistical power in terms of correct detection rates was compared. Using kernels was found to be most useful when the trait distributions were more complex than simple normal or gamma distributions. A full-scale genomic dataset was explored to identify associations using the 2-h oral glucose tolerance test results and γ-glutamyl transpeptidase levels as phenotypes. Clearly distinguishable single-nucleotide polymorphisms (SNPs) and interacting SNP pairs associated with these phenotypes were found and listed with empirical p-values.

A 44-year-old man had Sweet's syndrome (acute febrile neutrophilic dermatosis), accompanied by erythematous tender subcutaneous nodules resembling erythema nodosum(EN). The EN-like lesions histologically showed a septal panniculitis with predominantly neutrophilic in-filtrates. The association of Sweet's syndrome with EN seems to be uncommon and only a few cases have been reported until the present. We describe a patient with Sweet's syndrome associated with acute EN.
Adult ; Erythema Nodosum* ; Erythema* ; Humans ; Neutrophils ; Panniculitis ; Sweet Syndrome*

Recently, there have been many studies in medicine related to genetic analysis. Many genetic studies have been performed to find genes associated with complex diseases. To find out how genes are related to disease, we need to understand not only the simple relationship of genotypes but also the way they are related to phenotype. Multi-block data, which is a summation form of variable sets, is used for enhancing the analysis of the relationships of different blocks. By identifying relationships through a multi-block data form, we can understand the association between the blocks in comprehending the correlation between them. Several statistical analysis methods have been developed to understand the relationship between multi-block data. In this paper, we will use generalized canonical correlation methodology to analyze multi-block data from the Korean Association Resource project, which has a combination of single nucleotide polymorphism blocks, phenotype blocks, and disease blocks.
Genome-Wide Association Study ; Genotype ; Phenotype ; Polymorphism, Single Nucleotide

PURPOSE: To evaluate the effectiveness of an experience-focused prenatal program on stress, anxiety, childbirth confidence, and maternal-fetal attachment for women in their first pregnancy. METHODS: The participants were 57 pregnant women at 32 weeks or more of a first pregnancy who agreed to participate in this study. The data were analyzed with descriptive statistics, t-test, χ2 test, and Fisher's exact test using the SPSS 21.0 program. RESULTS: The experimental group showed significant differences in stress, anxiety, childbirth confidence, and maternal-fetal attachment from the control group. CONCLUSION: The four-week experience-focused prenatal program can be used for women in their first pregnancy to reduce their stress and anxiety and to increase their childbirth confidence and maternal- fetal attachment.
Anxiety* ; Female ; Humans ; Parturition* ; Pregnancy* ; Pregnant Women

Purpose: The purpose of this study is to determine the influence of the learning environment on nursing students' clinical practice education and the violence experienced during clinical practice on vocational identity. Methods: The design of the study was a descriptive survey, and data were collected from November 15 to November 27, 2019. The data of the study were obtained from 515 nursing students attending three universities using self-administered questionnaires. Data were analyzed using the SPSS 25.0 program. Results: For the experience of violence, verbal violence (98.3%) was the type most commonly experienced, and patients (97.7%) were the most frequent perpetrators. The clinical learning environment was perceived differently according to gender, personality, interpersonal relationship, satisfaction with nursing, clinical practice satisfaction, violence prevention education, the need for violence prevention education, sexual violence experiences, and violent perpetrators. The most influential factor on vocational identity was satisfaction with the nursing major (β=0.24, p<.001), followed by extroverted personality (β=0.18, p<.001), clinical learning environment (β=0.15, p=.001), satisfaction with clinical practice (β =0.15, p=.002), and the experience of violence by patients (β=-0.10, p=.016), which together explained 24.1% of the variance in the model. Conclusion It is necessary to make efforts to ensure that students do not experience violence during clinical practice, to maintain a close cooperative relationship between university and clinical institutions to improve the learning environment for clinical practice, and to make the clinical field an educational learning environment.

Purpose: The purpose of this study is to determine the influence of the learning environment on nursing students' clinical practice education and the violence experienced during clinical practice on vocational identity. Methods: The design of the study was a descriptive survey, and data were collected from November 15 to November 27, 2019. The data of the study were obtained from 515 nursing students attending three universities using self-administered questionnaires. Data were analyzed using the SPSS 25.0 program. Results: For the experience of violence, verbal violence (98.3%) was the type most commonly experienced, and patients (97.7%) were the most frequent perpetrators. The clinical learning environment was perceived differently according to gender, personality, interpersonal relationship, satisfaction with nursing, clinical practice satisfaction, violence prevention education, the need for violence prevention education, sexual violence experiences, and violent perpetrators. The most influential factor on vocational identity was satisfaction with the nursing major (β=0.24, p<.001), followed by extroverted personality (β=0.18, p<.001), clinical learning environment (β=0.15, p=.001), satisfaction with clinical practice (β =0.15, p=.002), and the experience of violence by patients (β=-0.10, p=.016), which together explained 24.1% of the variance in the model. Conclusion It is necessary to make efforts to ensure that students do not experience violence during clinical practice, to maintain a close cooperative relationship between university and clinical institutions to improve the learning environment for clinical practice, and to make the clinical field an educational learning environment.