TABLE 2.
Prevalence of secondary antibiotic resistance in Helicobacter pylori isolates according to year
| Antibiotic(s)a | Resistance in isolates (no. [%]) according to yr: |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Total | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | |
| Total | 1,042 (100) | 74 (7.1) | 95 (9.1) | 103 (9.9) | 114 (10.9) | 140 (13.4) | 184 (17.7) | 233 (22.3) | 99 (9.5) |
| CLR | 596 (57.2) | 479 (46.0) | 560 (53.7) | 572 (54.9) | 518 (49.7) | 498 (47.8) | 723 (69.4) | 656 (63.0) | 590 (56.6) |
| MET | 671 (64.4) | 676 (64.9) | 659 (63.2) | 597 (57.3) | 563 (54.0) | 683 (65.5) | 686 (65.8) | 766 (73.5) | 617 (59.2) |
| LEV | 53 (5.1) | 127 (12.2) | 88 (8.4) | 93 (8.9) | 19 (1.8) | 16 (1.5) | 57 (5.5) | 46 (4.4) | 21 (2.0) |
| CLR-MET | 416 (39.9) | 325 (31.2) | 373 (35.8) | 384 (36.9) | 320 (30.7) | 357 (34.3) | 516 (49.5) | 510 (48.9) | 347 (33.3) |
| CLR-MET-LEV | 29 (2.8) | 56 (5.4) | 33 (3.2) | 60 (5.8) | 9 (0.9) | 7 (0.7) | 46 (4.4) | 18 (1.7) | 21 (2.0) |
a
CLR, clarithromycin; MET, metronidazole; LEV, levofloxacin.