TABLE 2.
Clinical information and molecular characteristics of selected CRAB isolates with blaOXA-23-like or blaOXA-24-like
| Characteristic | No. (%) of CRAB isolates with: |
||
|---|---|---|---|
| blaOXA-23-like | blaOXA-24-like | Overall | |
| Total | 60 | 22 | 82 |
| Period of isolation | |||
| Before 2006 | 2 (3.3) | 5 (22.7) | 7 (8.5) |
| 2008 | 27 (45) | 7 (31.8) | 34 (41.5) |
| 2010 | 31 (51.7) | 10 (45.5) | 41 (50) |
| Hospital level | |||
| Medical center | 19 (31.7) | 9 (40.9) | 28 (34.1) |
| Regional hospital | 41 (68.3) | 13 (59.1) | 54 (65.9) |
| Region of Taiwan | |||
| Eastern | 0 (0) | 4 (18.2) | 4 (4.9) |
| Central | 44 (73.3) | 0 (0) | 44 (53.7) |
| Northern | 16 (26.7) | 1 (4.5) | 17 (20.7) |
| Southern | 0 (0) | 17 (77.3) | 17 (20.7) |
| Specimen source | |||
| Respiratory | 41 (68.3) | 12 (54.5) | 53 (64.6) |
| Pus/discharge | 6 (10) | 5 (22.7) | 11 (13.4) |
| Blood | 4 (6.7) | 1 (4.5) | 5 (6.1) |
| Urine | 7 (11.7) | 2 (9.1) | 9 (11) |
| Others | 2 (3.3) | 2 (9.1) | 4 (4.9) |
| Patient age group | |||
| Adult | 12 (20) | 7 (31.8) | 19 (23.2) |
| Elderly | 42 (70) | 13 (59.1) | 55 (67.1) |
| Pediatric | 1 (1.7) | 2 (9.1) | 3 (3.7) |
| Unknown | 5 (8.3) | 0 (0) | 5 (6.1) |
| Presence of other resistance genes | |||
| armA | 55 (91.7) | 21 (95.5) | 76 (92.7) |
| aphA1 | 52 (86.7) | 20 (90.9) | 72 (87.8) |
| aphA6 | 3 (5) | 1 (4.5) | 4 (4.9) |
| aacC1 | 48 (80) | 20 (90.9) | 68 (82.9) |
| aacA4 | 54 (90) | 20 (90.9) | 74 (90.2) |
| aadB | 0 (0) | 3 (13.6) | 3 (3.7) |
| aadA1 | 58 (96.7) | 21 (95.5) | 79 (96.3) |
| blaTEM | 28 (46.7) | 10 (45.5) | 38 (46.3) |
| ISAba1-ampC | 34 (56.7) | 16 (72.7) | 50 (61) |
| blaSHV | 0 (0) | 0 (0) | 0 (0) |
| blaPER | 0 (0) | 0 (0) | 0 (0) |