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ehj t1_j2opwx3 wrote

So much confounding in that kind of study design. If not a randomized study, just disregard it - it's absolute junk science.

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messopotatoesmia t1_j2ptc76 wrote

Randomized studies aren't always possible. And I don't know what you'd want them to randomize in this study; they're comparing two populations -- one of obese patients, one of non-obese ones.

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dumnezero t1_j2t086z wrote

Yeh, Robert W., et al. "Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial." BMJ, vol. 363, 13 Dec. 2018, p. k5094, doi:10.1136/bmj.k5094.

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ehj t1_j2t67me wrote

Thanks for the laugh :D

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