Table 2.
Summary of meta-regression analysis
| Variable | Value | Coefficient | 95% CI | p value |
|---|---|---|---|---|
| Route of acquisition (ref = Both) | Community | − 0.0600 | − 0.2088 to 0.0888 | 0.4290 |
| Hospital | 0.1181 | 0.0165 to 0.2196 | 0.0227 | |
| Outbreak (ref = No) | Yes | − 0.0265 | − 0.2860 to 0.2329 | 0.8413 |
| Age group (ref = Adult) | Both | − 0.0463 | − 0.1280 to 0.0355 | 0.2676 |
| Pediatric | − 0.0832 | − 0.2267 to 0.0603 | 0.2556 | |
| Unknown | − 0.2065 | − 0.4719 to 0.0589 | 0.1272 | |
| Region (ref = AfME) | Asia | − 0.0345 | − 0.1184 to 0.0494 | 0.4205 |
| China | 0.0518 | − 0.0508 to 0.1543 | 0.3226 | |
| LATAM | 0.0611 | − 0.0367 to 0.1589 | 0.2209 |
Coefficients, confidence intervals for coefficients and p values for variables in meta regression. Studies including exclusively hospital-acquired CDAD showed a significant positive value. The remaining variables had non-significant coefficients