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As usual this kind of articles has no info on base size, effect size and whether the findings are totally significant or not. Science reporting at its best.


No effect size?

> Mice whose senescent cells were killed off over six months were healthier, in several ways, than a control group of transgenic mice in which these cells were allowed to build up. Their kidneys worked better and their hearts were more resilient to stress, they tended to explore their cages more and they developed cancers at a later age. Eliminating senescent cells also extended the lifespans of the mice by 20–30%, Baker and van Deursen report in Nature on 3 February.


The link is to a press release. Just see what they reference and skip to the bottom to get the paper: http://dx.doi.org/10.1038/nature16932


Looking at the paper, sample size is 57 in treatment group and 59 in control group, and the paper reports p < 0.001 (99.9%) significance.




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