Table 2.
Proportion susceptible, column % | P valuea | |||||||
---|---|---|---|---|---|---|---|---|
Gram- | Gram- | All vs. | All vs. | Gram- | ||||
All | positives | negatives | E. coli | Gram- | Gram- | All vs. | negatives | |
Antimicrobial | (n = 2494) | (n = 946) | (n = 1548) | (n = 679) | positives | negatives | E. coli | vs. E. coli |
amikacin | 62 | 0 | 100 | 100 | <.001 | <.001 | <.001 | .10 |
ampicillin | 39 | 54 | 31 | 56 | <.001 | <.001 | <.001 | <.001 |
ampicillin/sulbactam | 59 | 73 | 51 | 65 | <.001 | <.001 | .006 | <.001 |
penicillin | 39 | 53 | 31 | 56 | <.001 | <.001 | <.001 | <.001 |
cefazolin | 55 | 37 | 65 | 90 | <.001 | <.001 | <.001 | <.001 |
cefepime | 72 | 37 | 94 | 95 | <.001 | <.001 | <.001 | .48 |
cefoxitin | 56 | 37 | 67 | 90 | <.001 | <.001 | <.001 | <.001 |
ceftazidime | 62 | 10 | 93 | 94 | <.001 | <.001 | <.001 | .67 |
ceftriaxone | 65 | 37 | 83 | 94 | <.001 | <.001 | <.001 | <.001 |
ciprofloxacin | 61 | 37 | 76 | 72 | <.001 | <.001 | <.001 | .04 |
clindamycin | 14 | 38 | 0 | 0 | <.001 | <.001 | <.001 | N/Af |
ertapenem | 69 | 37 | 88 | 100 | <.001 | <.001 | <.001 | <.001 |
erythromycin | 12 | 33 | 0 | 0 | <.001 | <.001 | <.001 | N/A |
fosfomycin 100/50b | 95 | 100 | 92 | 100 | <.001 | <.001 | <.001 | <.001 |
fosfomycin 0c | 81 | 86 | 79 | 100 | .003 | .03 | <.001 | <.001 |
gentamicin | 74 | 43 | 93 | 92 | <.001 | <.001 | <.001 | .22 |
imipenem | 89 | 75 | 97 | 100 | <.001 | <.001 | <.001 | <.001 |
levofloxacin | 65 | 47 | 75 | 72 | <.001 | <.001 | <.001 | .11 |
linezolid | 37 | 98 | 0 | 0 | <.001 | <.001 | <.001 | N/A |
moxifloxacin | 68 | 56 | 75 | 72 | <.001 | <.001 | .047 | .11 |
nitroflirantoin | 64 | 82 | 53 | 91 | <.001 | <.001 | <.001 | <.001 |
oxacillin | 13 | 35 | 0 | 0 | <.001 | <.001 | <.001 | N/A |
piperacillin/tazobactam | 86 | 73 | 94 | 98 | <.001 | <.001 | <.001 | <.001 |
quinupristin/dalfopristin | 24 | 62 | 0 | 0 | <.001 | <.001 | <.001 | N/A |
tobramycin | 58 | 0 | 94 | 91 | <.001 | <.001 | <.001 | .009 |
trimethoprim/sulfamethoxazole 100d | 78 | 88 | 72 | 77 | <.001 | <.001 | .58 | .02 |
trimethoprim/sulfamethoxazole 0e | 57 | 33 | 72 | 77 | <.001 | <.001 | <.001 | .02 |
vancomycin | 37 | 98 | 0 | 0 | <.001 | <.001 | <.001 | N/A |
P values < .05 (by Chi squared test) are shown in boldface.
fosfomycin 100/50: Proteus species imputed as 100% susceptible, Staphylococcus saprophyticus imputed as 100% susceptible, Pseudomonas aeruginosa imputed as 50% susceptible.
fosfomycin 0: Proteus species imputed as 0% susceptible, Staphylococcus saprophyticus imputed as 0% susceptible, Pseudomonas aeruginosa imputed as 0% susceptible.
trimethoprim/sulfamethoxazole 100: Enterococcus species imputed as 100% susceptible.
trimethoprim/sulfamethoxazole 0: Enterococcus species imputed as 0% susceptible.
N/A: not applicable (0% prevalence in both groups).