Table 2. The pooled prevalence of Gram-negative enterobacterial pathogens from diarrheic patients based on different subgrouping criteria.
| Subgrouping criteria | Categories | No of studies | Sample examined | No Positive | Pooled prevalence ((%), CI) | I2% (p-value) |
|---|---|---|---|---|---|---|
| Regions | Addis Ababa | 7 | 3532 | 517 | 20.08 (12.85–27.31) | 97.9 (0.00) |
| Amhara | 13 | 4151 | 686 | 16.67 (10.08–22.48) | 97.5 (0.00) | |
| SNNP | 8 | 1847 | 227 | 12.12 (9.15–15.08) | 75.7 (0.00) | |
| Oromia | 8 | 2002 | 225 | 11.61 (7.98–15.24) | 85.6 (0.00) | |
| Tigray | 2 | 476 | 52 | 10.47 (3.33–17.61) | 85.5 (0.00) | |
| Harari | 3 | 1012 | 157 | 15.39 (13.17–17.67) | 0.00 (0.38) | |
| Dire Dawa | 1 | 196 | 43 | 21.94 (16.15–27.73) | - | |
| Gambella | 1 | 134 | 55 | 41.04 (32.72–49.37) | - | |
| Study period | 2006–2010 | 4 | 2068 | 269 | 14.91 (10.44–19.39) | 84.3 (0.00) |
| 2011–2015 | 21 | 6548 | 1106 | 18.03 (13.70–22.36) | 96.8 (0.00) | |
| 2016–2021 | 18 | 4738 | 587 | 13.46 (10.11–16.80) | 93.8 (0.00) | |
| Age of the study subjects | Children <15 years | 24 | 7017 | 1308 | 20.35 (19.92–24.77) | 96.8 (0.00) |
| Adult > 15 years | 2 | 458 | 39 | 8.51 (5.96–11.07) | 0.00 (0.91) | |
| All age groups | 17 | 5882 | 615 | 10.83 (8.69–12.98) | 88.0 (0.00) |
No = number, % = percent, SNNP = Southern Nations, Nationalities, and Peoples’ Region, CI = confident interval, I = Inconsistency Index.