Results 1 to 10 of about 237,530 (303)
ObjectiveSeveral studies have investigated the correlation between blood lipids and homocysteine, but no clear conclusions have been defined yet. Therefore, we utilized data from National Health and Nutrition Examination Survey (NHANES) to explore the ...
Jia Wei +8 more
doaj +1 more source
Objectives This retrospective cohort study investigated the association of socioeconomic status with survival outcomes among patients with nasopharyngeal carcinoma in an endemic area of China. Methods The primary endpoint was overall survival.
Dong-Fang Meng MD, PhD +8 more
doaj +1 more source
Introduction: The tumor microenvironment (TME) is crucial for the development of head and neck squamous cell carcinoma (HNSCC). However, the correlation of the characteristics of the TME and the prognosis of patients with HNSCC remains less known.Methods:
Lingfei Wan +14 more
doaj +1 more source
The Distribution of Metallicity in the IGM at z~2.5: OVI and CIV Absorption in the Spectra of 7 QSOs
We present a direct measurement of the metallicity distribution function for the high redshift intergalactic medium. We determine the shape of this function using survival statistics, which account for both detections and non-detections of OVI and CIV ...
Boyle B. J. +4 more
core +1 more source
Are competing risks models appropriate to describe implant failure?
Background and purpose — The use of competing risks models is widely advocated in the arthroplasty literature due to a perceived bias in comparison of simple Kaplan–Meier estimates.
Adrian Sayers +3 more
doaj +1 more source
Estimating the Survival Distribution for Right-Censored Data with Delayed Ascertainment [PDF]
In many clinical trials, patients are not followed continuously. This means their vital status may not be immediately recorded. In such cases, the results from the Kaplan-Meier estimator or the log rank test, popular methods used for survival analysis ...
Kim, Eun-Jin
core
Cognitive impairment profile in patients with the m.3243A> G variant in mitochondrial DNA
Background The m.3243A>G variant in mitochondrial DNA is associated with a wide spectrum of clinical features ranging from asymptomatic subjects to severely symptomatic patients. Cognitive involvement is one of the clinical features, but its severity and
Satu Winqvist +3 more
doaj +1 more source
Purpose: The optimal management of stage II follicular lymphoma (FL) is unclear. Radiation therapy (RT) alone has been the gold standard treatment, but a proportion of patients relapse.
Yi Xu +11 more
doaj +1 more source
Cox proportion hazard model for patients with hepatitis disease in Iraq
Cox regression model have been used to estimate proportion hazard model for patients with hepatitis disease recorded in Gastrointestinal and Hepatic diseases Hospital in Iraq for (2002 -2005).
Baghdad Science Journal
doaj +1 more source
Pregnant women follow‐up service, Shewa, Ethiopia
Background and Aims The goal of this study was to demonstrate the effects of factors related with time to developing pre‐eclampsia (PE) among pregnant women follow‐up service at Arerti Primary Hospital.
Dawit BayeHaile +2 more
doaj +1 more source

