Table 1 Results of population analysis profile (PAP) of selected carbapenem-resistant Acinetobacter baumannii isolates
Strain | PFGE group | MIC (mg/L) | Highest concentration where growth occurred in population analysis (mg/L) | Frequency of appearance of subpopulations (PAP) | MIC after 4 days daily passages in drug-free medium (mg/L) | MIC after 75 days storage (mg/L) |
|---|---|---|---|---|---|---|
1 | A | ≤ 0.125 | 1 | 6.6 × 10-5 | 1 | ≤ 0.125 |
2 | A | ≤ 0.125 | 2 | 6 × 10-5 | 2 | ≤ 0.125 |
3 | A | 0.25 | NG | NA | NA | NA |
4 | A | ≤ 0.125 | 1 | 1 × 10-7 | 1 | NP |
5 | A | 0.25 | 1 | 5 × 10-5 | 1 | NP |
6 | A | 0.25 | 1 | 1.5 × 10-6 | 1 | NP |
7 | B | ≤ 0.125 | 0.5 | 5 × 10-4 | 0.5 | ≤ 0.125 |
8 | B | 0.25 | 1 | 2.5 × 10-7 | 1 | 0.25 |
9 | B | ≤ 0.125 | 0.5 | 1 × 10-6 | 0.5 | NP |
10 | C | ≤ 0.125 | 1 | 1.2 × 10-5 | 1 | ≤ 0.125 |
11 | C | 1 | 1 | NA | 1 | 1 |
12 | C | ≤ 0.125 | 1 | 7.1 × 10-5 | 1 | NP |
13 | D | ≤ 0.125 | 1 | 1.3 × 10-6 | 1 | NP |
14 | D | ≤ 0.125 | 1 | 3.3 × 10-6 | 1 | NP |
15 | E | 0.25 | 1 | 1 × 10-6 | 1 | NP |
16 | F | 0.5 | 2 | 8.3 × 10-5 | 2 | 1 |
17 | F | ≤ 0.125 | 1 | 1 × 10-6 | 1 | ≤ 0.125 |
18 | G | 0.25 | 1 | 7.5 × 10-5 | 1 | 0.25 |
19 | H | 0.25 | 1 | 3.3 × 10-4 | 1 | 0.25 |
20 | I | 0.25 | 2 | 3.3 × 10-5 | 2 | 1 |
21 | I | 0.5 | 1 | 3 × 10-6 | 1 | 1 |
22 | J | 0.25 | 1 | 1.4 × 10-4 | 1 | 0.25 |
23 | K | 0.25 | NG | NA | NA | NA |
24 | L | ≤ 0.125 | 0.5 | 1.5 × 10-6 | 0.5 | ≤ 0.125 |
25 | L | ≤ 0.125 | 1 | 4 × 10-4 | 1 | NP |
26 | M | ≤ 0.125 | 1 | 6.2 × 10-4 | 1 | ≤ 0.125 |
27 | N | 0.5 | 2 | 6.6 × 10-5 | 2 | 1 |
28 | N | ≤ 0.125 | 0.5 | 1.5 × 10-5 | 0.5 | NP |
29 | O | ≤ 0.125 | 1 | 5 × 10-5 | 0.5 | 0.5 |