Tag: meta-analysis

bacteria

Probiotics, antibiotics, and diarrhoea…. A walk through a systematic review

Can probiotics prevent diarrhoea? A new Cochrane review says they can. This blog also walks through a few of the features of Cochrane reviews.

crowd of people

Sample size matters – even more than you think

A meta-epidemiological study published in the BMJ last month has found that smaller trials consistently report larger effect sizes.