background: headache and depression are prevalent among general population. the aim of this study was to determine the associated factors of headache in elderly subjects with emphasis to depression. methods: all cohort of elderly individuals of the amirkola health study project were included. data regarding several clinical and demographic characteristics were provided via fill in quesstionnair...

Meta-analysis has seen increasing use as a tool in epidemiology over the past five years. Although this method is relatively well accepted for use in clinical trials, its use has proved somewhat more controversial in epidemiology. If meta-analysis is viewed as an evolutionary improvement over the review article, it may become more widely acceptable. Meta-analysis should incorporate the concern ...

Through testing refinement protocols using free R-factor estimates of model quality, it is shown that real-space refinement can be a useful addition to conventional reciprocal-space refinement, even for protein structures with poor electron-density maps derived from multiple isomorphous replacement. By alternating real- and reciprocal-space refinements, starting with an experimental map, then c...

OBJECTIVE To evaluate the features of clinical presentation of neonatal necrotizing enterocolitis and its associated factors. METHODS Retrospective study of the cases of neonatal necrotizing enterocolitis (n = 56) diagnosed at Neonatal Intensive Care Unit Lagoa (NICU), between December 1986 and July 1992. Diagnosis and stages of the disease followed the modified Bell's criteria. Diagnosis and...

OBJECTIVE To analyze the prevalence and factors associated with smoking abstinence among patients who were treated in a reference unit for smoking cessation. METHODS This cross-sectional study examined the medical records of 532 patients treated in a reference unit for smoking cessation in Belém, PA, Northern Brazil, between January 2010 and June 2012. Sociodemographic variables and those relat...

BACKGROUND There are few studies in the literature that analyze jejunostomy complications and their associated factors. AIMS To describe the rate of complications and analyze the factors associated with their development in a tertiary reference center in Mexico. METHODS A retrospective study was carried out on patients that underwent Witzel jejunostomy within the time frame of January 2002 ...

background: coronary artery diseases are one of the most important issues in health and social problems. one of the amendable risk factors in development of these diseases is high cholesterol which can be modified through correction of lifestyle (diet change, playing sports, and usage of lipid‑lowering drugs). patients’ compliance to therapeutic programs is the most important element to achieve...

objective: in recent years, humman papilomaviruses (hpv) infection is the most common type of sexual trasmitted diseases (std) in majority of countries. it's a significant source of morbidity and mortality worldwide. in this study, we aimed to compare the history of reproductive disease between two groups of iranian women with and without hpv infection through colposcopy precedure. materials an...