Summary of meta-analysis, genotyping results and GRADE for catching equipment and other environmental-type samples.

Outcomes include prevalence of Campylobacter ssp. in the sample, association measures (Odds Ratio – samples and Odds Ratio – questionnaire).
¥GRADE, Adapted Grading of Recommendations Assessment, Development and Evaluation (GRADE) criteria, see methods for details.
§all 37 studies that reported molecular epidemiologic data, number tested include all that obtained samples (positive and negative culture).
†all age sub-groups.
MA- meta-analysis, 95% CI – 95% confidence interval, I2- measure of heterogeneity in the meta-analysis.
Summary of meta-analysis, genotyping results and GRADE for catching equipment and other environmental-type samples.