Background:The incidence rate of head and neck cancer in the world is about 560,000 new cases a year. Larynx cancer is the most common malignancy in head and neck in Iran. The most common head and neck carcinoma is the malignancy of squamous epithelial cells. This study was conducted to determine the survival rate of patients undergoing nonsurgical treatment methods for larynge...

background: phyllodes tumors are uncommon neoplasms of the breast. data about their outcome is limited. this study aims to evaluate patients diagnosed with phyllodes tumors in terms of local recurrence, distant metastasis and overall survival. methods: we retrospectively reviewed the medical records of 129 women with phyllodes tumors who referred to our center from 1999 to 2013. clinical and pa...

background: allogeneic hematopoietic stem cell transplantation (hsct) is a curative treatment option for many patients with acute myeloid leukemia (aml); however, it can lead to complications of graft-versus-host-disease (gvhd) which can affect the quality of life and overall survival. the aim of this study was to assess the effects of both acute and chronic gvhd on survival rate in patients wi...

results cox regression analysis showed that co-infection with hiv significantly affects the survival rate of tb patients so that the rate of death was 20.7 (8.1-53) times more than tb infected patients alone. also, married patients with tuberculosis were 2.7 times more at risk of death than single subjects. we also confirmed that in hiv/tb positive patients, married individuals were more prone ...

background: multifactorial regression models are frequently used in medicine to estimate survival rate of patients across risk groups. however, their results are not generalisable, if in the development of models assumptions required are not satisfied.  missing data is a common problem in pathology. the aim of this paper is to address the danger of exclusion of cases with missing data, and to h...

abstract:   introduction: colorectal cancer (crc) is one of the most common cancers in the world. during the past decades, survival of colorectal cancer patients has improved worldwide, however, it is not clear what factors have contributed to this development. this study was designed to evaluate the prognostic impact of a wide spectrum of pathologic parameters on survival rate in patients with...

abstractbackground: the survival rate of preterm and low-birth-weight (lbw) infants depends on various factors such as birth weight, gestational age, and quality of care. the present study aimed at evaluating the survival rate of preterm and lbw infants, predictive factors, and the risk of mortality in three training hospitals of mashhad and tabriz cities.methods: this prospective, cohort study...

aim : in this study, we aimed to estimate one- to five-year survival rates in iranian patients with gastric cancer (gc). in addition, we preformed subgroup analyses and meta-regression to explore possible sources of heterogeneity between studies.   background : according to literatures, there has been increasing attention to the long-term survival rate in patients with gc in iran. however, resu...

Background and Aim: Generally, in patients with cervical cancer, careful preliminary evaluation is necessary for avoiding improper surgical procedures and making effective clinical decisions for treatment. The aim of this study was to determine surgeons’ errors, which necessitate a combination of surgery and radiotherapy for cervical cancer patients.    Methods: In this retrospective study, med...