Dumville Jo C, Torgerson David J, Hewitt Catherine E
York Trials Unit, University of York, York YO10 5DD.
BMJ. 2006 Apr 22;332(7547):969-71. doi: 10.1136/bmj.332.7547.969.
Loss to follow-up can greatly affect the strength of a trial's findings. But most reports do not give readers enough information for them to be able to understand the potential effects
失访会极大地影响试验结果的说服力。但大多数报告并未向读者提供足够信息,使他们能够理解潜在影响。