نتایج جستجو برای: survival analyses

تعداد نتایج: 697213  

Journal: :acta medica iranica 0
mahdi aghili department of radiation oncology, cancer institute, school of medicine, tehran university of medical sciences, tehran, iran. marzieh lashkari department of radiation oncology, cancer institute, school of medicine, tehran university of medical sciences, tehran, iran. amir hosein farrokhpey department of general medicine, tehran university of medical sciences, tehran, iran. shahrzad izadi department of surgery, zanjan university of medical sciences, zanjan, iran.

this study focused on triple-negative breast cancer (tnbc) that is characterized by the lack of expression of estrogen receptor (er), progesterone receptor (pr), and human epidermal growth factor receptor 2 (her-2). the primary goal of this study was to describe the relation between triple-negative receptor status and survival. this is the first study about triple-negative breast cancer in our ...

Journal: :iranian journal of public health 0
ali zare dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. mahmood mahmoodi dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. kazem mohammad dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. hojjat zeraati dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. mostafa hosseini dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. kourosh holakouie naieni dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran.

gastric cancer is the most prevalent cancer among men and the third most prevalent cancer among women in iran. its most important reason for death is its belated diagnosis at the advanced stages of the disease. various factors can be effective on the survival of these patients after surgery, which are the major concern in this study.data from 330 patients with gastric cancer who had undergone s...

Journal: :acta medica iranica 0
porooshani a ganji m porooshani f ghods aj

from 1986 to 1996, 1020 renal transplants were performed at our center. the purposes of this study were. 1) to evaluate the patient and graft survival rates and 2) to see if some donors and recipient characteristics such as age, sex and relationship had any effects on graft survivals. 571 transplants were from living related donors (lrd) and 446 from living unrelated donors (lud). 65.9% of reci...

Journal: :archives of breast cancer 0
mohamadreza neishaboury kaviani breast disease institute (kbdi), tehran, iran armita aboutorabi kaviani breast disease institute (kbdi), tehran, iran behnam behboudi department of surgery, tehran university of medical sciences, tehran, iran babak mirminachi department of surgery, tehran university of medical sciences, tehran, iran khatereh jamei kaviani breast disease institute (kbdi), tehran, iran marzieh kord zanganeh kaviani breast disease institute (kbdi), tehran, iran

background: breast cancer arising in young patients (≤ 40 years) is being considered as a distinct clinical entity with more aggressive tumor features and poorer survival. our aim was to assess the impact of age on survival among a large group of iranian women diagnosed with breast cancer. methods: in a cross-sectional study, demographic and clinicopathological characteristics of patients with ...

Journal: :Neuro-oncology 2022

Abstract Glioblastoma is the most common primary malignant brain tumor in adults. Age a prognostic factor for grade IV glioma (GIV) survival, where older adults 65 and older, tend to have quicker mortality compared 18-64. This may be due intrinsic aspects of aged host, including age-dependent changes immune systems. We studied pharmacologic management GIV patients treated with medications affec...

ابدی, علیرضا, حاجی زاده, ابراهیم, زالی, محمد رضا, صفایی, آزاده, مقیمی دهکردی, بیژن, پورحسینقلی, محمدامین,

Background & Objectives: Although Cox regression is commonly used to detect relationships between patient survival and demographic/clinical variables, there are situations where parametric models can yield more accurate results. The objective of this study was to compare two survival regression methods, namely Cox regression and parametric models, in patients with gastric carcinoma registered a...

احمدی, علی, مباشری, محمود, هاشمی نظری, سید سعید,

Background and purpose: Colorectal cancer (CRC) is one of the most prevalent health problems in the world and Iran. This study aimed at determining the survival rate of patients with CRC and the factors influencing it in Iranian patients. Material and Methods: A prospective cohort study was carried out in patients attending 10 state and private hospitals in Tehran during 2006-2011. In this stu...

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