a emph{signed graph} (or, in short, emph{sigraph}) $s=(s^u,sigma)$ consists of an underlying graph $s^u :=g=(v,e)$ and a function $sigma:e(s^u)longrightarrow {+,-}$, called the signature of $s$. a emph{marking} of $s$ is a function $mu:v(s)longrightarrow {+,-}$. the emph{canonical marking} of a signed graph $s$, denoted $mu_sigma$, is given as $$mu_sigma(v) := prod_{vwin e(s)}sigma(vw).$$the li...

Foods do certainly play an important role in human health. This cross sectional study investigated the effect of lifestyle food on chronic diseases. In specific, it compared these diseases between vegetarians and non- vegetarians in Jordan in 2012. Questionnaires were distributed and the responses of 97 vegetarians and 97 non-vegetarians were analyzed. Chi-square and Wilcoxon signed ranks tests...

Patients and methods 19 patients with active BD (group A) and 8 patients with inactive BD (group B) were compared with 25 healthy controls (group C). Percentages of blood CD4 +CD127-CD25hiFoxP3+ Tregs and other T/B and NK cells subpopulations were nalayzed by flow cytometry. The frequency of IL-17A and IFN-g producing T cells was analyzed by flow cytometer from PBMC after 4 hours stimulation wi...

BACKGROUND Recent findings suggest that exposure to organochlorine (OC) compounds, chlordanes and p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) in particular, may increase the risk of developing testicular germ cell tumors (TGCTs). OBJECTIVE To further investigate this question, we conducted a nested case-control study of TGCTs within the Norwegian Janus Serum Bank cohort. METHODS The st...

χ value in the Chi-square distribution used to test for significant differences between three (or more) independent groups when using the Kruskall-Wallis non-parametric analysis of variance where the dependent variable is measured on an ordinal scale. p probability of making a type I decision error. z a value in the standard normal distribution that may be related directly to a probability valu...

AIM This study investigates the relationship between posture disorders and swallowing, either of infantile type or affected by the presence of a short lingual frenulum. MATERIALS AND METHODS The stabilometry examinations, taking into account the Romberg index and the LFS value, and when needed a frenectomy, showed positive variations in the recovery of a proper posture. The data were analysed...

The purpose of the present one-year follow-up study was to describe and investigate the change in the amount of antipsychotic drugs prescribed for ACT (assertive community treatment) clients in Japan. Subjects were 52 clients of ACT from January 2009 to December 2009. Prescription data were collected each month from the time the clients entered into ACT. The results of a Wilcoxon signed-rank te...

For group-randomized trials, randomization inference based on rank statistics provides robust, exact inference against nonnormal distributions. However, in a matched-pair design, the currently available rank-based statistics lose significant power compared to normal linear mixed model (LMM) test statistics when the LMM is true. In this article, we investigate and develop an optimal test statist...

A method of self-adaptive mutation, crossover and selection was implemented and applied in four genetic algorithms. So developed self-adapting algorithms were then compared, with respect to convergence, with a traditional genetic one, which contained constant rates of mutation and crossover. The experiments were conducted on six benchmark functions including two unimodal functions, three multim...

The aim of this study was to investigate the effectiveness of exergaming on improving Eye-Hand Coordination (EHC) among primary school children. Eighteen student volunteers joined this study who were arranged to play exergaming for thirty minutes three times a week during three months intervention. The result of Wilcoxon Signed-Rank test showed a significant decrease in time spent on Mirror Tra...