Table 2 The results of subgroup analysis
Group | Number of studies | Pooled prevalence (95% CI) | I2 | p | |
|---|---|---|---|---|---|
Quality | High | 7 | 46.1% (30.6-61.6%) | 98.9% | 0.956 |
Medium | 22 | 45.6% (39.6-51.7%) | 95.3% | ||
Region | Region 1 | 17 | 45.1% (37-54%) | 95.2% | 0.437 |
Other regions | 12 | 49.17% (36.5-61.7%) | 98.3% | ||
Hospital | Teaching | 26 | 47% (39-54%) | 97.2% | 0.044 |
Military | 3 | 38% (31.1-44%) | 68.4% | ||