background: with the increased range of medical insurance coverage in china, the proportion of medical expenditure shouldered by individuals is declining. the problem is the rapidly growing scale of medical expenditures challenges the sustainability of medical insurance funds. methods: this study used the heckman selection model, survival analysis, and ordered probit model to evaluate the effec...

background: breast cancer is the most common cancer after lung cancer and the second cause of death. in this study we compared weibull and lognormal cure models with cox regression on the survival of breast cancer. study design: a cohort study. methods: the current study retrospective cohort study was conducted on 140 patients referred to ali ibn abitaleb hospital, rafsanjan southeastern iran f...

organotypic spinal cord slices from neonatal mammals could be a powerful model for evaluation of cell survival but also cell death mechanisms. the aim of this study was to establish an in vitro model for investigating cell survival and mechanism involved in cell death in neonatal spinal cord slices. the spinal cord was sliced and incubated into culture medium. the mtt assay was carried out to a...

introduction: to investigate 28 days survival rate following first acute myocardial infarction (ami) associated with the presence of classical risk factors and treatment modalities in gorgan, north of iran. materials and methods: our cohort including all patients hospitalized due to ami from 2010 to 2013. data were collected on demographic, prophylactic drugs and classical coronary risk factors...

background the number of patients with gastric cancer is growing worldwide. in iran (in 2009) of the 74067 new cases of cancer, 6886 were diagnosed as having gastric cancer. this study was conducted to investigate 5-year survival rate for gastric cancer in yazd province, central iran. methods in this descriptive study, the medical records of patients with gastric cancer were collected from the ...