Table 2 Summary results on the primary outcome and subgroup analyses of this meta-analysis
Results | Primary outcome | Subgroup analyses (Adults, n = 20) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Total (n = 23) | Adults (n = 20) | neonates/children (n = 3) | Prebiotic (n = 1) | Symbiotic (n = 4) | Probiotic (n = 15) | low risk (n = 11) | high risk (n = 9) | multi-center (n = 9) | single-center (n = 11) | |
RR | 0.67 | 0.69 | 0.55 | 0.47 | 0.57 | 0.74 | 0.62 | 0.76 | 0.64 | 0.73 |
95% CI lower-bound | 0.56 | 0.57 | 0.31 | 0.22 | 0.33 | 0.59 | 0.45 | 0.59 | 0.46 | 0.58 |
95% CI upper-bound | 0.81 | 0.84 | 0.99 | 0.98 | 0.98 | 0.91 | 0.85 | 0.97 | 0.89 | 0.91 |
P-value | < 0.01 | < 0.01 | 0.046 | 0.04 | 0.04 | 0.01 | < 0.01 | 0.03 | 0.01 | 0.01 |