TABLE 3.
Comparison of annual resistance rates of Bolivian ETEC isolates a
| Years | No. of ETEC analyzed | % of ETEC isolates | Average | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Antibiotics | AMR patterns | ||||||||||||||
| Collection of Bolivian strains | AMP | CTX | POD | CIP | NAL | GEN | TET | CHL | TMP | S | R | MDR | MAR | R | |
| 2002 | 1 | 100.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0 | 100.0 | 0.0 | 0.20 | 2.40 |
| 2006 | 10 | 50.0 | 20 | 20.0 | 10.0 | 10.0 | 0.0 | 60.0 | 20.0 | 60.0 | 30 | 30.0 | 40.0 | 0.30 | 1.00 |
| 2007 | 19 | 36.8 | 0 | 0.0 | 0.0 | 5.3 | 5.3 | 21.1 | 10.5 | 21.1 | 57.9 | 31.6 | 10.5 | 0.11 | 2.68 |
| 2008 | 73 | 79.5 | 11 | 19.2 | 2.7 | 13.7 | 8.2 | 52.1 | 15.1 | 52.1 | 11 | 31.5 | 57.5 | 0.30 | 5.00 |
| 2009 | 1 | 100.0 | 100 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 100.0 | 0.56 | 2.62 |
| Sub-total | 104 | 69.2 | 10.6 | 16.3 | 2.9 | 11.5 | 7.7 | 47.1 | 14.4 | 47.1 | 21.2 | 31.7 | 47.1 | 0.32 | 2.7 |
| This study | |||||||||||||||
| 2013–2014 | 30 | 53.3 | 0 | 0.0 | 10.0 | 43.3 | 0.0 | 33.3 | 20.0 | 46.7 | 20.0 | 46.7 | 36.7 | 0.22 | 2 |
| Total | 134 | 65.7 | 8.2 | 12.7 | 4.5 | 18.7 | 6.0 | 44.0 | 15.7 | 54.5 | 20.9 | 35.1 | 44.8 | 0.26 | 2.3 |
a
AMP, ampicillin; CTX, cefotaxime; POD, cefpodoxime; CIP, ciprofloxacin; NAL, nalidixic acid; GEN, gentamicin; TET, tetracycline; CHL, chloramphenicol; TMP, trimethoprim; S, sensitive; R, resistant; MDR, multidrug resistance; MAR, multiple antibiotic resistance.