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Table 1 Effect sizes that minimally can be detected according to the prevalence of the exposure in the final cohort of 2001 travellers

From: The Carriage Of Multiresistant Bacteria After Travel (COMBAT) prospective cohort study: methodology and design

Proportion exposed (%)

Odds ratio

50%

1.36

25%

1.41

10%

1.64

5%

1.92