At that time, there was a major gap in the evidence regarding the effectiveness of screening in men.

当时男性筛查的有效性证据仍存在在巨大的缺口。

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The Yale researchers conducted a prospective trial to study the feasibility and cost-effectiveness of screening performed by emergency physicians (EPs) on at-risk patients.

耶鲁大学研究人员作了一项前瞻性试验来研究开展急诊内科医师对高危病人进行筛查的可行性和成本-效果如何。

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However, the study stopped short of saying what that new age should be, saying further studies "are needed to demonstrate the relative clinical effectiveness of screening at different ages."

不过，研究并没有说新的年龄应当是多少，只是说：为了提高不同年龄段筛查的相对有效性，还需要进一步的研究。

youdao

Until we have more evidence, we remain sceptical about the effectiveness of screening.

BBC: Cancer guru defends UK record

Mr Alan Scott, who headed the Medical Research Council study into the effectiveness of a screening programme, welcomed the move.

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The review into the effectiveness of the breast screening programme was commissioned by Cancer Research UK and the Department of Health and is due to report back on Tuesday.

BBC: Breast screening programme in the UK criticised