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

More studies based on the NLST data set are ongoing, and will include reports on the cost effectiveness of spiral ct and the effects of the screening process on smoking behaviors over time.

还有很多基于NLST的数据的研究正在进行，包括有关螺旋ct的成本效用的研究，以及成像过程对长期吸烟习惯的影响的研究。

youdao

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。

youdao

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

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

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In this country, screening protocols are decided based on effectiveness, and each group determines effectiveness in their own way.

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