نتایج جستجو برای: survival analyses
تعداد نتایج: 697213 فیلتر نتایج به سال:
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 ...
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...
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...
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 ...
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...
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...
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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