this post was submitted on 22 May 2024

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Microplastics found in every human testicle in study (www.theguardian.com)

submitted 6 months ago by nekandro@lemmy.ml to c/worldnews@lemmy.ml

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[–] Vytle@lemmy.world 6 points 6 months ago (1 children)

(In a study of ~20 people)

[–] honc@lemmy.ca 5 points 6 months ago

With 23 of 23 samples, that’s a 78-100% 99% confidence interval (using an adjusted Wald method, which is good for small samples), so the sample size isn’t really an issue. The representativeness of the sample might be a concern, but for whatever the sample generalizes to, this is a high rate.