background and purpose: leukemia is the most prevalent type of cancer in children and its prognostic factors vary in different geographic locations. the aim of this study was to estimate the 5 years survival rate of children suffering from leukemia in kerman, iran and to investigate the factors which might influence it. materials and methods: this was a cohort study conducted on patients with a...

background: the incidence of restenosis in patients suffering from coronary artery disease after undergoing angioplasty is of paramount importance. accordingly, this study aimed to investigate factors affecting the time of the first incidence of restenosis in patients undergone angioplasty in the city of zanjan, iran.   methods: this retrospective cohort study was conducted on 421 patients who ...

The asymmetry of residuals about the origin is a severe issue in estimating Box-Cox transformed model. In framework uncertainty theory, there are such theoretical issues regarding least-squares estimation (LSE) and maximum likelihood (MLE) linear models after transformation on response variables. Heretofore, only weighting methods for analysis have been available. This article proposes an uncer...