نتایج جستجو برای: χ2

تعداد نتایج: 4801  

2017
Yinying Wu Yi Li Xiaoai Zhao Danfeng Dong Chunhui Tang Enxiao Li Qianqian Geng

Molecular tumor markers hold considerable promise for accurately predicting the recurrence and progression of colorectal cancer (CRC) in patients. However, in the majority of cases, single marker analysis has been found to have low accuracy, and is of little practical use in clinical practice. The present study investigated the prognostic value of the combined detection of the protein expressio...

2014
Hong Yang Minglong Shao Liangmiao Chen Qingshou Chen Lechu Yu Lingqiao Cai Zhenzhen Lin Chi Zhang Xuemian Lu

BACKGROUND Thyroid dysfunction during pregnancy is associated with multiple adverse outcomes, but whether all women should be screened for thyroid disorders during pregnancy remains controversial. OBJECTIVE To evaluate the effectiveness of the targeted high risk case-finding approach for identifying women with thyroid dysfunction during the first and second trimesters of pregnancy. METHODS ...

2014
Li Chen Yan Shi Jing Yuan Yalin Han Rui Qin Qian Wu Baoqing Jia Bo Wei Lixin Wei Guanghai Dai Shunchang Jiao

BACKGROUND Overall, gastric cancer prognosis remains poor. Detailed characterization of molecular markers that govern gastric cancer pathogenesis is warranted to establish innovative therapeutic options. HIF-1α overexpression has been linked to poor gastric cancer prognosis. However, though researched for years, the prognostic role of HIF-1α in gastric cancer is still controversial. Hence, the ...

2017
Hai-Jiang Zhou Yong Yan Jian-Zhong Zhang Li-Rong Liang Shu-Bin Guo

Background: Preoperative anatomical scoring system is conducive to comparison between treatment options and evaluation of postoperative outcomes in patients with small renal tumors. This study aimed to evaluate the clinical application efficacy of the R.E.N.A.L. nephrometry score (RNS) in predicting perioperative outcomes in patients with renal tumor who underwent laparoscopic partial nephrecto...

Journal: :Libri oncologici 2023

Aim: Activating somatic mutations in p110α catalytic subunit of PIK3-kinase (PIK3CA) are present about 40% breast cancers (BC), and involved oncogenesis cancer growth. PIK3CA inhibitor therapy is approved for patients with advanced HR+/HER2- endocrine-resistant BC mutations. Such targeted improved patient disease-free survival. Method: Analyses gene were performed five University Hospital Cente...

Journal: :Monthly Notices of the Royal Astronomical Society 2023

This paper presents a new method to estimate systematic errors in the maximum-likelihood regression of count data. The is applicable particular X-ray spectra situations where Poisson log-likelihood, or Cash goodness-of-fit statistic, indicate poor fit that attributable overdispersion Overdispersion data treated as an intrinsic model variance can be estimated from best-fit model, using Cmin stat...

2014
Meng Lu Jun Dong Teng Lu Hongjun Lv Pinglin Yang Zhijian Cheng Jin Li Baobao Liang Junkui Xu Haopeng Li Xijing He

Transplantation of olfactory ensheathing cells (OEC) is a promising therapy in spinal cord injury (SCI) treatment. However, the therapeutic efficacy of this method is unstable due to unknown reasons. Considering the alterations in the culture environment that occur during OEC preparation for transplantation, we hypothesize that these changes may cause variations in the curative effects of this ...

2015
Yongfeng Yang Wenqiang Li Hongxing Zhang Ge Yang Xiujuan Wang Minli Ding Tianzi Jiang Luxian Lv Yong-Gang Yao

Schizophrenia (SZ) is a common and complex psychiatric disorder that has a significant genetic component. The glutamatergic system is the major excitatory neurotransmitter system in the central nervous system, and is mediated by N-methyl-D-aspartate (NMDA) receptors. Disturbances in this system have been hypothesized to play a major role in SZ pathogenesis. Several studies have revealed that th...

2014
JUN-BO HONG LIANG XIA WEI ZUO AN-JIANG WANG SHAN XU HUI-FANG XIONG YOU-XIANG CHEN XUAN ZHU NONG-HUA LU

The aim of this study was to estimate the prevalence and risk factors of intestinal metaplasia (IM) in concomitant gastric and duodenal ulcer (CGDU) disease by retrospectively reviewing consecutive patients who had undergone esophagogastroduodenal endoscopy. Patients who received the endoscopic diagnosis of CGDU disease were selected for analysis and the recorded demographic, endoscopic, clinic...

2011
Deshpande Jayant

The global initiative for the Elimination of Avoidable Blindness sets a major challenge to work relentlessly to avoid the preventable blindness. Effective methods of vision screening in school children are useful in detecting correctable causes of decreased vision. Present study was conducted with the objective of estimating the prevalence of ocular morbidity among school children in rural area...

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