Univariate random-effects meta-regression for IBS, by region with North America/Europe/Australia/New Zealand as the reference group
| Region | Pooled prevalence | Coefficient | SE | p Value | 95% CI |
|---|---|---|---|---|---|
| Latin America | 19.24 | 7.19 | 2.17 | 0.001 | 2.86 to 11.52 |
| Asia | 8.14 | −3.92 | 1.84 | 0.036 | −7.58 to −0.26 |
| Middle East | 10.53 | −1.52 | 2.68 | 0.571 | −6.85 to 3.81 |
| Constant (North America etc) | 12.05 | 12.86 | 7.45 | 1.000 | −2.25 to 27.96 |
% Residual variation due to heterogeneity—99.9%.
Proportion of between-study variation explained—24.0%.