BACKGROUND Two main methods of quantifying cancer patient survival are generally used: cancer-specific survival and relative survival. Both techniques are used to estimate survival in a single population, or to estimate differences in survival between populations. Arguments have been made that the relative survival approach is the only valid choice for population-based cancer survival studies b...

introduction: n-methyl-d-aspartate receptor subunits antibody (nr2-ab) is a sensitive marker of ischemic brain damage in clinical circumstances, such as cerebrovascular accidents. we aimed to assess the value of serum nr2-ab in predicting the post-cardiopulmonary resuscitation (cpr) survival. methods: in this cohort study, we examined serum nr2-ab levels 1 hour after the return of spontaneous c...

Background and aims: The pandemic of AIDS is a global emergency and one of the biggest challenges in social and individual life. This study aimed to evaluate the survival time of HIV patients and its effective factors. Methods: This historical cohort study was conducted on the individuals infected with HIV in Fars province, south of Iran, during 2006 to 2...

Introduction: The administration of 3,4-methylenedioxymethamphetamine (MDMA) or ecstasy causes memory impairment, whereas neurogenesis improves memory and learning. Hence, this study evaluated the effects of MDMA on neurogenesis in the hippocampus of male rats. Methods: Adult male Wistar rats received intraperitoneal (IP) injections of MDMA (10 mg/kg). We assessed nestin, sex-determining regio...

introduction : very severe head trauma cases, defined as glasgow coma scale (gcs) scores of less than 6, have a higher mortality rate and poorer outcome. the purpose of this study was to recognize factors associated with survival and 6-month favorable outcome of very severe head trauma patients presenting to emergency department.  methods: in this historical cohort study, the authors retrospect...

probiotics are beneficial microorganisms of intestine with useful effects on growth and health of the animals by the colonization. in present study, effects of two different probiotic as bacillus subtilis and saccharomyces cerevisiae were investigated on growth parameters, survival, and body composition of a. franciscana. also the resistance against pathogenic bacteria of vibrio campbellii was ...