Table 1 MIC distributions for various antimicrobials tested from Shenyang in China
Species(no.) or antibiotic | %S | % of isolates susceptible at MIC(μg/ml) | MIC50 | MIC90 | MIC range | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | 0.006 | 0.01 | 0.03 | 0.06 | 0.125 | 0.25 | 0.5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | Â | Â | Â |
E.coli (414) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | ||
MEM | 99.8 | 94.4 | 1.7 | 1.5 | 1 | 0.5 | 0.7 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.03 | 0.032 | .03 - 8 |
IPM | 99.8 | 17.9 | 11.5 | 21.5 | 43.3 | 4.6 | 0.5 | 0.5 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.125 | 0.25 | .03 - 16 |
FEP | 69.4 | 12.7 | 1.3 | 2.5 | 4.1 | 16.7 | 5.3 | 2.7 | 9 | 15.3 | 12.1 | 8.3 | 4.4 | 2.4 | 1.7 | 1.5 | 0 | 4 | 32 | .03 - 512 |
TZP | 70.5 | 0.5 | 0 | 0 | 0.2 | 0.5 | 1 | 7.9 | 19 | 24.1 | 16.9 | 10.2 | 9.9 | 3 | 2.2 | 4.2 | 0 | 8 | 64 | .03 - 512 |
LVX | 30.8 | 6.8 | 3 | 1.2 | 8.2 | 5.7 | 5 | 1 | 7.4 | 18.6 | 23.3 | 14.4 | 5 | 0.2 | 0.2 | 0 | 0 | 8 | 32 | .03 - 256 |
K.pneumoniae (236) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | ||
MEM | 99.6 | 4.7 | 50.4 | 34.8 | 4.9 | 1.8 | 0.4 | 0.9 | 1.3 | 0.4 | 0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0.03 | 0.125 | .015 - 16 |
IPM | 97.8 | 0 | 0 | 0.6 | 13.1 | 42.2 | 15.5 | 2.5 | 14.9 | 11.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | 2 | .03 - 32 |
FEP | 62.3 | 0 | 3 | 13 | 15.2 | 3.9 | 3.5 | 3.5 | 7.8 | 8.2 | 4.3 | 10.4 | 9.5 | 4.3 | 4.3 | 1.3 | 7.8 | 4 | 128 | .03 - 512 |
TZP | 44.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.4 | 11.6 | 19.2 | 12.5 | 21 | 18.3 | 6.7 | 7.1 | 2.2 | 32 | 128 | 2 - 512 |
LVX | 64.5 | 0 | 23.8 | 7.9 | 2.6 | 3.9 | 4.8 | 11 | 11 | 4.8 | 7 | 8.8 | 7.5 | 5.7 | 1.3 | 0.4 | 0 | 1 | 32 | .03 - 256 |
E.cloacae (40) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
MEM | 97.5 | 0 | 0 | 90 | 0 | 0 | 5 | 2.5 | 0 | 0 | 0 | 0 | 2.5 | 0 | 0 | 0 | 0 | 0.03 | 0.032 | .03 - 16 |
IPM | 97.5 | 0 | 0 | 12.5 | 50 | 0 | 17.5 | 7.5 | 10 | 0 | 0 | 2.5 | 0 | 0 | 0 | 0 | 0 | 0.06 | 1 | .03 - 8 |
FEP | 67.5 | 0 | 0 | 27.5 | 7.5 | 7.5 | 2.5 | 0 | 10 | 2.5 | 7.5 | 2.5 | 10 | 12.5 | 5 | 2.5 | 2.5 | 1 | 32 | .03 - 256 |
TZP | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.5 | 10 | 22.5 | 7.5 | 17.5 | 7.5 | 2.5 | 5 | 25 | 16 | 256 | 1 - 512 |
LVX | 70 | 0 | 0 | 57.5 | 7.5 | 0 | 2.5 | 0 | 2.5 | 0 | 2.5 | 2.5 | 7.5 | 15 | 2.5 | 0 | 0 | 0.03 | 32 | .03 - 64 |
P.aeruginosa (281) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | ||
MEM | 56.8 | 0 | 0 | 1.5 | 4.1 | 7 | 10 | 13 | 9.2 | 4.4 | 7.4 | 12.5 | 20.3 | 4.4 | 3 | 2.9 | 0 | 4 | 32 | .03 - 128 |
IPM | 46.5 | 0 | 0 | 1.1 | 1.1 | 0.4 | 0.7 | 4.1 | 18 | 10 | 11.4 | 14.8 | 8.5 | 19.9 | 5.2 | 3 | 2.1 | 8 | 64 | .03 - 512 |
FEP | 45.9 | 0 | 0 | 1.5 | 0 | 0 | 0 | 1.1 | 6.3 | 8.5 | 9.6 | 18.9 | 20.7 | 11.9 | 8.1 | 7.8 | 5.6 | 16 | 128 | .03 - 512 |
TZP | 43.7 | 0 | 0 | 0.4 | 0 | 0 | 0 | 0.7 | 0 | 1.5 | 3.7 | 12.2 | 8.9 | 6.7 | 9.6 | 10 | 46 | 128 | 256 | .03 - 512 |
LVX | 56.1 | 0 | 0 | 5.9 | 1.1 | 9.6 | 15.1 | 8.9 | 11 | 4.4 | 7.7 | 14.8 | 11.4 | 5.5 | 2.6 | 1.5 | 0.4 | 1 | 16 | .03 - 256 |
A.baumannii (115) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
MEM | 37.8 | 0 | 0 | 4.2 | 7.2 | 5.2 | 6.1 | 7.1 | 6.1 | 1 | 1 | 2 | 5.1 | 30.6 | 11.2 | 12.2 | 1 | 32 | 128 | .03 - 256 |
IPM | 35.7 | 0 | 0 | 2 | 7.1 | 8.2 | 3.1 | 4.1 | 6.1 | 4.1 | 1 | 5.1 | 8.2 | 23.5 | 21.4 | 5.1 | 1 | 32 | 64 | .03 - 256 |
FEP | 19.8 | 0 | 0 | 0 | 0 | 0 | 1.9 | 0 | 2.7 | 3.6 | 8.1 | 3.6 | 16.2 | 7.2 | 9 | 22.5 | 25 | 64 | 256 | .25 - 512 |
TZP | 17.3 | 0 | 0 | 2 | 0 | 0 | 1.1 | 0 | 0 | 2 | 0 | 8.2 | 4.1 | 0 | 1 | 3.1 | 79 | 256 | 256 | .03 - 512 |
LVX | 48.7 | 0 | 0 | 14.8 | 0.9 | 2.6 | 0.9 | 3.5 | 3.5 | 22.6 | 27 | 12.2 | 7 | 5 | 0 | 0 | 0 | 4 | 16 | .03 - 32 |