Table 1.
The differences on the distribution of resistant determinants among blaCHβLs positive and blaCHβLs negtive Enterobacter cloacae
| blaCHβLs positive strains (n = 106) | blaCHβLs negative strains (n = 166) | Chi-square value | P value | |
|---|---|---|---|---|
| blaCMH (n = 130) | 41 (38.7%) | 89 (53.6%) | 5.873 | 0.016 |
| blaACT (n = 126) | 60 (56.7%) | 66 (39.8%) | 7.382 | 0.007 |
| blaOXA (n = 51) | 3 (2.8%) | 27 (16.3%) | 10.569a | 0.001 |
| blaCTX-M (n = 48) | 18 (17.0%) | 29 (17.5%) | 0.011 | 0.917 |
| blaSHV (n = 23) | 16 (15.1%) | 5 (3.0%) | 13.255 | 0.000 |
| blaTEM (n = 90) | 61 (57.5%) | 29 (17.5%) | 46.932 | 0.000 |
CHβLs Carbapenem-hydrolyzing β-lactamase
a Continuity correction