1 材料与方法 1.1 资料来源使用 MEDLINE 数据库,以 ultrasonogra- phy;computedtomography;MR cholangiopancreatography; obstructive jaundice;Bile duct obstruction,Extrahepatic [MeSH Terms]等作为关键词和主题词,检索用不同影像方法诊断胆道梗阻性疾病的文献 . 检索有关人类研究 ,英文 ,发 表日期为1980年到2003年...
In contrast, the pancreatic duct will show high intensity because of no bloody fluid. MRCP is a static study. The image may be inferior to ERCP which is a dynamic study. But MRCP is still required in cases requiring an examination by ERCP for many clinicalSuchato...
The existence of the Academic Backbone concept is strongly supported, with attainment at secondary school predicting performance in undergraduate and post-graduate medical assessments, and the effects spanning many years. The Academic Backbone is conceptualized in terms of the development of more sophistica...
The UK General Medical Council has emphasized the lack of evidence on whether graduates from different UK medical schools perform differently in their clinical careers. Here we assess the performance of UK graduates who have taken MRCP(UK) Part 1 and Par
"In terms of assessment development, the SEM can help in identifying individual assessments that need to be improved, though the reliability coefficient is more important in this regard. The main use of the SEM, however, is to enable the proper identification of the borderline trainees - those ...
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Examiner demographics were described in terms of age, sex, ethnicity, and total number of candidates examined. Results FACETS suggested that about 87% of main effect variance was due to candidate differences, 1% due to station differences, and 12% due to differences between examiners in leniency-...
In statistical terms, the central theoretical issue for understanding resit examinations is to distinguish passing due to luck from passing due to an improvement in true ability, at least at the group level, even if it is not easy to determine that process at the individual level. With any pr...
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Conclusion The cause of these differences is most likely to be multifactorial, but cannot be readily explained in terms of previous educational experience or differential performance on particular parts of the examination. Potential examiner prejudice, significant only in the cases where there were two ...