The results of previous Iranian studies on the protective effect health insurance catastrophic expenditures (CHE) are inconsistent. Therefore, aim this meta-analysis was to summarize all existent evidence. We searched international and scientific databases for relevant literature. Using a Mantel–Haenszel random-effects model, pooled odds ratios (OR) were calculated. Subgroup meta-analyses perfo...

BACKGROUND It has been speculated that amoxicillin use could be associated with dental enamel defects. OBJECTIVE To assess the association between dental fluorosis, one of the most common developmental tooth enamel defects, and amoxicillin use during early childhood. DESIGN, SETTING, AND PARTICIPANTS As participants in the Iowa Fluoride Study, subjects were followed up from birth to 32 mont...

OBJECTIVES (1) Assess the population-level probability of prenatal diagnosis and termination of pregnancy for fetal anomaly for four major congenital heart defects; (2) Examine, using population-based data, the relation between timing of (prenatal vs postnatal) diagnosis and risk of infant (ie, < 1 year) mortality for four major congenital heart defects (CHDs). DESIGN Population-based cohort ...

INTRODUCTION Streptococcus pneumoniae remains a major global health problem and a leading cause of death in children worldwide. The factors that influence development of pneumococcal sepsis remain poorly understood, although increasing evidence points towards a role for genetic variation in the host's immune response. Recent insights from the study of animal models, rare human primary immunodef...

Predisposition to psoriasis is known to be affected by genetic variation in HLA-C, IL12B and IL23R, but other genetic risk factors also exist. We recently reported three psoriasis-associated single nucleotide polymorphisms (SNPs) in the 5q31 locus, a region of high linkage disequilibrium laden with inflammatory pathway genes. The aim of this study was to assess whether other variants in the 5q3...

The objective of this study was to test the hypothesis that HIV interacts with human papilloma virus (HPV) to increase the odds of cervical neoplasia. The study design was a meta-analysis using data pooled from published sources. Studies published between January 1986 and March 1998 were eligible for inclusion if they included data on neoplasia (cytology-based), HIV (defined by laboratory and/o...

The current study aimed to examine differential item functioning (DIF) of a numerical ability test for Gulf state school students. This examined the DIF items by gender and country using two analysis methods; Likelihood Ratio Test (LRT) Mantel-Haenszel (MH). sample size was 2689 individuals throughout grades 5 6, researchers used MH with SPSS LRT BILOG-MG. classification stability coefficient k...

This study aims to explore psychometric characteristics and detect whether the teacher-made chemistry learning evaluation instrument contains item bias that can benefit students of a certain gender. The research sample was 358 class XII SMA in Yogyakarta who were taken by cluster random sampling then answer analyzed Winsteps Rasch Software 3.73. In general, it be concluded achievement is good t...

INTRODUCTION The aim of this quantitative systematic review/meta-analysis was to compare the treatment outcomes of mineral trioxide aggregate (MTA) and calcium hydroxide (CH) in pulpotomy of human primary molars. The focused PICO question was "in case of pulp exposure in vital primary molars, how does MTA pulpotomy compare to CH in terms of clinical/radiographic success?" METHODS AND MATERIAL...

OBJECTIVE To empirically compare the Cox, log-binomial, Poisson and logistic regressions to obtain estimates of prevalence ratios (PR) in cross-sectional studies. METHODS Data from a population-based cross-sectional epidemiological study (n = 2072) on elderly people in Sao Paulo (Southeastern Brazil), conducted between May 2003 and April 2005, were used. Diagnoses of dementia, possible cases ...