Table 3.
Prevalence of colonization on admission and during hospitalization stratified by the specific MDR bacteria, the surveillance culture site and the time of specimen collection
| Time | Any site, (%) | Nasal cavity, (%) | Throat, (%) | Inguinal area, (%) | Rectum, (%) |
|---|---|---|---|---|---|
| ESBL-producing Enterobacteriaceae | |||||
| Time-1 (N = 487) | 52.2 | 2.7 | 9.8 | 17.5 | 50.4 |
| Time-2 (N = 357) | 51.8 | 3.4 | 15.1 | 17.5 | 46.2 |
| Time-3 (N = 162) | 62.3 | 8.3 | 25.0 | 21.9 | 46.2 |
| Time-4 (N = 53) | 71.7 | 12.0 | 28.6 | 27.1 | 53.8 |
| ESBL-producing E. coli | |||||
| Time-1 (N = 487) | 42.3 | 1.0 | 2.9 | 11.9 | 38.8 |
| Time-2 (N = 357) | 41.2 | 1.3 | 3.7 | 10.9 | 34.3 |
| Time-3 (N = 162) | 39.5 | 0.6 | 3.3 | 10.3 | 33.1 |
| Time-4 (N = 53) | 41.5 | 2.0 | 4.1 | 16.7 | 32.7 |
| ESBL-producing Klebsiella spp. | |||||
| Time-1 (N = 487) | 16.6 | 1.9 | 6.4 | 5.9 | 12.3 |
| Time-2 (N = 357) | 19.1 | 2.2 | 10.7 | 5.9 | 10.4 |
| Time-3 (N = 162) | 34.6 | 7.1 | 19.7 | 9.7 | 19.4 |
| Time-4 (N = 53) | 45.3 | 1.0 | 22.5 | 19.4 | 19.2 |
| CR-AB | |||||
| Time-1 (N = 487) | 6.8 | 2.1 | 2.3 | 3.7 | 2.5 |
| Time-2 (N = 357) | 16.3 | 4.7 | 6.7 | 10.4 | 8.6 |
| Time-3 (N = 162) | 27.8 | 8.3 | 13.2 | 15.5 | 10.0 |
| Time-4 (N = 53) | 47.2 | 26.0 | 24.5 | 22.9 | 19.2 |
| CR-PA | |||||
| Time-1 (N = 487) | 4.7 | 1.6 | 3.7 | 0.4 | 1.2 |
| Time-2 (N = 357) | 8.4 | 2.2 | 5.4 | 1.8 | 2.1 |
| Time-3 (N = 162) | 12.3 | 5.8 | 7.2 | 3.2 | 3.8 |
| Time-4 (N = 53) | 18.9 | 10.0 | 12.2 | 2.1 | 1.9 |
| MRSA | |||||
| Time-1 (N = 487) | 7.2 | 4.3 | 3.5 | 1.2 | 2.5 |
| Time-2 (N = 357) | 7.3 | 3.1 | 2.2 | 1.1 | 2.2 |
| Time-3 (N = 162) | 11.7 | 4.9 | 2.6 | 3.7 | 1.2 |
| Time-4 (N = 53) | 18.9 | 7.5 | 5.7 | 3.7 | 1.8 |
Abbreviations: ESBL Extended-Spectrum Beta-Lactamase, CR-AB Carbapenem-Resistant Acinetobacter baumannii, CR-PA Carbapenem-Resistant Pseudomonas aeruginosa, MSSA Methicillin-Susceptible Staphylococcus aureus, MRSA Methicillin-Resistant Staphylococcus aureus