Fig. 1

A Pooled attack rate of traveler’s diarrhea among international travelers visiting India (Studies are grouped by diagnosis period). Studies are represented by the first author, publication year, and the number of cases/number of travelers examined. The studies by Tillet and Steffen had 2 data points each. ES = effect size; CI = confidence interval. B Pooled attack rate of traveler’s diarrhea among international travelers visiting India (Studies are grouped by methods of documenting traveler’s diarrhea). Studies are represented by the first author, publication year, and the number of cases/number of travelers examined. The studies by Tillet and Steffen had 2 data points each. ES = effect size; CI = confidence interval