Table 2.
The prevalence of HCAI, 95% CI and heterogeneity estimate with a p-value for the subgroup analysis by study region, design, diagnostic method and sample size
| Variables | Characteristics | Pooled prevalence (95% CI) | I2 (p value) |
|---|---|---|---|
| By region | Addis Ababa | 18.37% (13.91–22.82) | 98.8% (0.000) |
| Oromia | 17.37% (9.19–25.56) | 98.5% (0.000) | |
| Amhara | 13.27% (9.00–17.52) | 99.5% (0.000) | |
| Tigray | 27.6% (25.37–29.83 | - | |
| SNNPR | 21.4% (20.3–22.5) | - | |
| Addis Ababa and SNNPR | 5.9% (4.25–7.55) | - | |
| Study design | Cross sectional | 18.52% (14.91–22.12) | 99.3% (0.000) |
| Cohort | 12.86% (7.98–17.74) | 98.4% (0.000) | |
| Diagnostic method | Clinical and laboratory | 18.89% (14.85–21.51) | 99.2% (0.000) |
| Culture confirmed | 12.71% (6.4–19.02) | 99% (0.000) | |
| Sample size | < 1000 | 18.11% (13.18–23.04) | 98.6% (0.000) |
| ≥ 1000 | 14.66% (11.72–17.60) | 99.3% (0.000) |
SNNPR Southern Nations, Nationalities, and People’s Region