background in 2009, a pandemic associated with a new type of influenza a virus (h1n1) affected many countries worldwide. after five years of silence, in 2015 we encountered another outbreak of h1n1 influenza a. objectives the present study aimed to study the epidemiological and clinical features of this disease in the cold and dry climate of qazvin province, iran in the last epidemic, during 20...

BACKGROUND Calculating the Charlson comorbidity index (CCI) from medical records is a time-consuming and expensive process. The objectives of this study are to 1) measure agreement between medical record and claims data for CCI in lung cancer patients and 2) predict health outcomes of lung cancer patients based on CCIs from both data sources. METHODS We studied 392 patients who underwent surg...

introduction: vulnerability has an important role in ptsd, which can be either genetic or acquisitive. according to research, the disorder coexists simultaneously with at least another psychiatric disorder and can be a disorder comorbid with a predictive factor, which influences the process from afflicting to medication. this study was performed to determine ptsd accompanying disorders in the p...

this paper highlights a variety of personality disorders in individuals with eating disorder and also emphasizes the importance of identifying clinically meaningful eating disorders subtypes based on concurrent personality disorder. the relationship between personality disorders and eating disorders is an important issue as this association has implications for assessment and treatment. differe...

background: most adult patients with diabetes have at least one comorbid chronic condition and approximately 40% have three or more. the purpose of this study was to investigate detailed characteristics of studies examining comorbidities of diabetes in iran and to identify knowledge gaps in this field. methods: all documents published by iranian authors in national and international journals un...

objective:this study aimed to differentiate illness anxiety and generalized anxiety by the role of metacognition and intolerance of uncertainty. methods: this research was a descriptive-correlational study with an ex post facto design. the study population included all students of yazd university, and the study sample comprised 400 healthy adult university students (mean age=23.3 years, sd=4.9)...

We review recent research on the prevalence, causes, and effects of diagnostic comorbidity among the most common groups of child and adolescent psychiatric disorders; anxiety disorders, depressive disorders, attention deficit hyperactivity disorders, oppositional defiant and conduct disorders, and substance abuse. A meta-analysis of representative general population studies provides estimates o...

BACKGROUND Hospitals are increasingly required to publicly report outcomes, yet performance is best interpreted in the context of population and procedural risk. We sought to develop a risk-adjustment method using administrative claims data to assess both national-level and hospital-specific performance. METHODS A total of 35,179,507 patient stay records from 2001-2006 Medicare Provider Analy...