344. Outcomes After Hip Fracture Surgery Compared With Elective Total Hip Replacement.
作者: Yannick Le Manach.;Gary Collins.;Mohit Bhandari.;Amal Bessissow.;Jacques Boddaert.;Frédéric Khiami.;Harman Chaudhry.;Justin De Beer.;Bruno Riou.;Paul Landais.;Mitchell Winemaker.;Thierry Boudemaghe.;P J Devereaux.
来源: JAMA. 2015年314卷11期1159-66页
Patients undergoing surgery for a hip fracture have a higher risk of mortality and major complications compared with patients undergoing an elective total hip replacement (THR) operation. The effect of older age and comorbidities associated with hip fracture on this increased perioperative risk is unknown.
345. Sex Differences in Academic Rank in US Medical Schools in 2014.
作者: Anupam B Jena.;Dhruv Khullar.;Oliver Ho.;Andrew R Olenski.;Daniel M Blumenthal.
来源: JAMA. 2015年314卷11期1149-58页
The proportion of women at the rank of full professor in US medical schools has not increased since 1980 and remains below that of men. Whether differences in age, experience, specialty, and research productivity between sexes explain persistent disparities in faculty rank has not been studied.
346. Effect of Time Spent Outdoors at School on the Development of Myopia Among Children in China: A Randomized Clinical Trial.
作者: Mingguang He.;Fan Xiang.;Yangfa Zeng.;Jincheng Mai.;Qianyun Chen.;Jian Zhang.;Wayne Smith.;Kathryn Rose.;Ian G Morgan.
来源: JAMA. 2015年314卷11期1142-8页
Myopia has reached epidemic levels in parts of East and Southeast Asia. However, there is no effective intervention to prevent the development of myopia.
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