The influence of polyvascular disease on the obesity paradox in vascular surgery patients Background Obesity is a risk factor for atherosclerosis, a polyvascular process associated with reduced survival. In nonvascular surgery populations, a par... Jan-Peter,van,Kuijk,... - 《Journal of Vascular ...
Bias is a systematic inconsistency in research that contaminates the primary comparison. There are several forms of bias, and there are specific methods of minimizing them in different study designs. The randomized controlled trial (RCT) is the gold standard to which all other study designs are ...
The aim of this study was to con... X Li,R Wang,X Shi,... - 《Acupuncture in Medicine》 被引量: 0发表: 2017年 Effects of Proprotein Convertase Subtilisin/Kexin Type 9 Antibodies in Adults With Hypercholesterolemia: A Systematic Review and Meta-analysis. comparing treatment using PCSK9 ...
Evaluation of non-response bias in mental health determinants and outcomes in a large sample of pre-adolescents Since non-response may jeopardize the validity of studies, comprehensive assessment of non-response is a prerequisite for proper interpretation of study fi... AFD Winter,AJ Oldehinkel,R ...
The definition is unrelated to the study design, thereby permitting a clear comparison of validity among different study types. Also, it facilitates assessment of bias because it allows bias to be subdivided under mutually exclusive categories. In relation to the study base, the epidemiologic study ...
Site fidelity, initial orientation and homing performance were studied in the natterjack toad Bufo calamita near Bonn, Western Germany, during three breeding periods. Capture-mark-recapture experiments demonstrated that most males stayed within areas of about 0.5 km2 during the whole study period. If ...
Anyone with access to the Web is able to play a part on Wikipedia, an open and free encyclopedia, and arguably one of the primary sources of knowledge on the Web. In this paper, we study gender bias in Wikipedia in terms of how women and men are characterized in their biographies. To...
A gender gap in primary and secondary heart dysfunctions in systemic sclerosis: a EUSTAR prospective study In agreement with other autoimmune diseases, systemic sclerosis (SSc) is associated with a strong sex bias. However, unlike lupus, the effects of sex on di... E Muriel,A Jérme,UA Walk...
Recallbiashappened because the study was retrospective rather than prospective. 回忆偏见的发生由于这项研究是回顾性的而不是前瞻性的. 期刊摘选 Evidence suggests that thisbiasis a significant block in negotiations between adversaries. 证据显示这个偏见是敌对双方谈判时很大的拦路虎. ...
The main limitation of our study was testing the instrument on a narrow range of pharmacoepidemiological studies; we cannot assume our findings extend to a broader range of interventions and settings. The Cochrane RoB tool highlighted a wide range of risks of bias in studies included in two ...