Table 1. Gastrointestinal colonization rate of ESBL positive (ESBL+ve) and negative (ESBL-ve) isolates in hospitalized patients and stratified by patient age group, at Tikur Anbessa Specialized hospital, December 2012.
| Organism | ESBL positivity | All (n = 267) | Patient age group | p value | ||
|---|---|---|---|---|---|---|
| Adult (n = 154) | Children (n = 94) | Neonates (n = 19) | ||||
| Total | ESBL -ve | 128 (47.9%) | 84 (54.5%) | 39 (41.5%) | 5 (26.3%) | 0.02 |
| ESBL +ve | 139 (52.1%) | 70 (45.5%) | 55 (58.5%) | 14 (73.7%) | ||
| E. coli | ESBL -ve | 161 (60.3%) | 89 (57.8%) | 55 (58.5%) | 17 (89.5%) | 0.026 |
| ESBL +ve | 106 (39.7%) | 65 (42.2%) | 39 (41.5%) | 2 (10.5%) | ||
| K. pneumoniae | ESBL -ve | 222 (83.1%) | 143 (92.9.0%) | 73 (77.7%) | 6 (31.6%) | < 0.0001 |
| ESBL +ve | 45 (16.9%) | 11 (7.1%) | 21 (22.3%) | 13 (68.4%) | ||