نتایج جستجو برای: proportional hazard model
تعداد نتایج: 2192875 فیلتر نتایج به سال:
Stroke adalah penyakit yang disebabkan oleh terhentinya suplai darah ke otak menyebabkan kehilangan fungsinya. terjadi ketika pembuluh di tersumbat, mengakibatkan tidak mendapatkan oksigen cukup untuk membawa seluruh tubuh, kematian sel/jaringan. Faktor risiko stroke dapat dipengaruhi usia, jenis kelamin, dan faktor akibat perilaku sehat seperti hipertensi, diabetes. Berbagai diduga mempengaruh...
Background and Purpose: Gastric cancer is the third leading cause of mortality in Iran after cardiovascular diseases and accidents. The aim of the present study was to assess survival and it’s affecting factors in gastric cancer patients through using Cox and parametric models along with frailty. Materials and Methods: In this study, the medical records of gastric cancer patients treat...
Identification of long-term risk factors after heart valve replacement can be quite challenging due to the nature of the covariates. Two specific factors need to be considered : (1) time-dependent covariates, and (2) the validity of the proportional hazard model. PHREG in SAS® is a very convenient procedure for solving these problems. In addition to those commonly encountered problems such as v...
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