Table 6. Antimicrobial resistance of common Gram-negative isolates.
| K pneumoniae (n = 50) | A baumannii (n = 46) | E coli (n = 32) | E cloacae (n = 23) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Antimicrobial classes | CAI (n = 6) | pCAI (n = 4) |
pHAI (n = 39) |
HAI (n = 1) |
CAI (n = 8) |
pCAI (n = 2) |
pHAI (n = 36) |
HAI (n = 0) |
CAI (n = 9) |
pCAI (n = 4) |
pHAI (n = 17) |
HAI (n = 2) |
CAI (n = 3) |
pCAI (n = 4) |
pHAI (n = 16) |
HAI (n = 0) |
| ES cephalosporins | 4/ 6 (66.7) |
4 /4 (100) |
33/39 (84.6) |
1 /1 (100) |
7/8 (87.5) |
2 /2 (100) |
33 /36 (91.7) |
- | 6 /9 (66.7) |
3/ 4 (75) |
13 /17 (76.5) |
2/2 (100) |
2/3 (66.7) |
2/4 (50) |
12/ 16 (75) |
- |
| Carbapenems | 4/ 6 (66.7) |
4/ 4 (100) |
22 /39 (66.7) |
1 /1 (100) |
7/8 (87.5) |
2/ 2 (100) |
33 /36 (91.7) |
- | 0 /9 (0) |
1 /4 (25) |
9 /17 (52.9) |
1/2 (0) |
2/3 (66.7) |
2 /4 (50) |
9 /16 (56.2) |
- |
| Aminoglycosides | 4/ 6 (66.7) |
4/ 4 (100) |
33/39 (84.6) |
1/ 1 (100) |
7/8 (87.5) |
2 /2 (100) |
33 /36 (91.7) |
- | 4 /9 (44.4) |
2 /4 (50) |
10 /17 (58.8) |
1/2 (0) |
2/3 (66.7) |
2/ 4 (50) |
12 /16 (75) |
- |
| MDR | 4/ 6 (66.7) |
4 /4 (100) |
30/ 39 (76.9) |
1 1 (100) |
7/8 (87.5) |
2 2 (100) |
33 /36 (91.7) |
- | 4/ 9 (44.4) |
2 /4 (50) |
11 /17 (64.7) |
1/2 (0) |
2/3 (66.7) |
2 4 (50) |
11/ 16 (68.8) |
- |
| Colistin | 0 /6 | 0 /4 | 0 /39 | 0 /1 | 0 /8 | 0/ 2 | 1 /35 (2.8) |
- | 0 /9 | 0/ 4 | 0/16 | 0/ 2 | 0 /3 | 0 /4 | 0 /16 | - |
Data expressed as n (%)
Carbapenems: Meropenem or imipenem; fluoroquinolones: ciprofloxacin; aminoglycosides: amikacin or netilmicin or gentamicin; ES cephalosporins (ESC): for details, refer to text; CAI, Community acquired Infection; pCAI, possibly community acquired Infection; pHAI, possibly healthcare associated infection; HAI, healthcare associated infection