Antibiograms
Sunnybrook Health Sciences Centre
2023 Sunnybrook – Entire Hospital (Gram Positive and Gram Negative)
2023 Sunnybrook - Entire Hospital
Duplicate isolates within 30 days, surveillance and urine specimens excluded
*Staphylococci that test susceptible to cloxacillin are also susceptible to cefazolin
Duplicate isolates within 30 days, surveillance and urine specimens excluded
| Gram Positive | Total Isolates | % of isolates susceptible | ||||||
| Ampicillin | Ceftriaxone | Clindamycin | Cloxacillin* | Penicillin | TMP/SMX | Vancomycin | ||
| Coagulase Negative Staphylococci | 31 | 60% | 43% | 64% | 100% | |||
| Enterococcus faecalis | 183 | 99% | R | R | 99% | |||
| Enterococcus faecium | 64 | 14% | R | R | 79% | |||
| Staphylococcus aureus | 973 | 79% | 84% | 98% | 100% | |||
| MRSA | 156 | 77% | R | 96% | 100% | |||
| MSSA | 816 | 79% | 100% | 98% | 100% | |||
| Streptococcus pneumoniae | 36 | 97% | 92% | 100 | ||||
| Viridans Streptococci | 132 | 97% | 85% | 98% | ||||
| Gran Negative | Total Isolates | % of isolates susceptible | ||||||||||
| Amikacin | Ampicillin | Cefazolin | Ceftazidime | Ceftriaxone | Ciprofloxacin | Gentamicin | Meropenem | Piperacillin/tazobactam | Tobramycin | TMP/SMX | ||
| Enterobacter cloacae complex | 138 | 100% | R | R | R | 98% | 100% | 99% | R | 99% | 96% | |
| Escherichia coli | 449 | 100% | 43% | 67% | 75% | 60% | 86% | 99% | 74% | 84% | 72% | |
| ESBL | 111 | 99% | R | R | R | 24% | 77% | 96% | R | 70% | 46% | |
| non ESBL | 338 | 100% | 57% | 89% | 98% | 70% | 88% | 100% | 94% | 88% | 81% | |
| Klebsiella aerogenes | 55 | 100% | R | R | R | 88% | 100% | 91% | R | 98% | 94% | |
| Klebsiella oxytoca | 59 | 100% | R | 61% | 97% | 98% | 100% | 100% | 95% | 100% | 100% | |
| Klebsiella pneumoniae | 217 | 100% | R | 86% | 90% | 87% | 97% | 100% | 88% | 95% | 91% | |
| Proteus mirabilis | 73 | 100% | 85% | 60% | 100% | 84% | 96% | 97% | 99% | 10% | 84% | |
| Pseudomonas aeruginosa | 395 | R | R | 83% | R | 85% | R | 84% | 85% | 99% | R | |
| Serratia marcescens | 87 | 100% | R | R | 95% | 83% | 100% | 99% | 100% | 87% | 100% | |
| Stenotrophomonas maltophilia | 62 | R | R | R | NA | R | R | R | R | R | 98% | |
R = considered inherently resistant, NA = not available
2023 Sunnybrook – ICU (Gram Positive and Gram Negative)
2023 Sunnybrook - ICU
Duplicate isolates within 30 days, surveillance and urine specimens excluded
Duplicate isolates within 30 days, surveillance and urine specimens excluded
| Gram Positive | Total Isolates | % of isolates susceptible | ||||||||||||||||
| Ampicillin | Clindamycin | Cloxacillin | TMP/SMX | Vancomycin | ||||||||||||||
| Coagulase Negative Staphlylococci | 91 | 45% | 23% | 41% | 100% | |||||||||||||
| Enterococcus spp. | 77 | 73% | R | R | 89% | |||||||||||||
| Staphylococcus aureus | 155 | 77% | 86% | 99% | 100% | |||||||||||||
| MRSA^ | 22 | 76% | R | 100% | 100% | |||||||||||||
| MSSA | 133 | 77% | 100% | 98% | 100% | |||||||||||||
^ Total number of isolates <30, interpret with caution
*Staphylococci that test susceptible to cloxacillin are also susceptible to cefazolin
| Gram Negative | Total Isolates | % of isolates susceptible | ||||||||||||||||
| Amikacin | Ampicillin | Cefazolin | Ceftazidime | Ceftriaxone | Ciprofloxacin* | Gentamicin | Meropenem | Piperacillin/tazobactam | Tobramycin | TMP/SMX | ||||||||
| Enterobacter cloacae complex | 41 | 100% | R | R | R | 100% | 100% | 98% | R | 100% | 100% | |||||||
| Escherichia coli | 72 | 99% | 37% | 61% | 69% | 54% | 78% | 96% | 64% | 77% | 83% | |||||||
| ESBL^ | 20 | 100% | R | R | R | 40% | 75% | 90% | R | 70% | 60% | |||||||
| non ESBL | 52 | 98% | 52% | 86% | 96% | 59% | 80% | 98% | 86% | 80% | 92% | |||||||
| Klebsiella pneumoniae | 48 | 100% | R | 87% | 94% | 94% | 98% | 100% | 91% | 96% | 96% | |||||||
| Pseudomonas aeruginosa | 95 | R | R | 76% | R | 90% | R | 72% | 80% | 99% | R | |||||||
| Serratia marcescens | 40 | 100% | R | R | 92% | 72% | 100% | 98% | 100% | 92% | 100% | |||||||
^ Total number of isolates <30, interpret with caution
R = considered inherently resistant
2023 Sunnybrook – Urine (Gram Positive and Gram Negative)
2023 Sunnybrook Urine Antibiogram
Duplicate isolates within 30 days excluded
R= Considered inherently resistant
Duplicate isolates within 30 days excluded
| Gram Positive | Total Isolates | % of isolates susceptible | |||||||||||
| Ampicillin | Cloxacillin* | Nitrofurantoin | TMP/SMX | Vancomycin | |||||||||
| Enterococcus faecalis | 718 | 100% | 99% | R | 99% | ||||||||
| Enterococcus faecium | 85 | 13% | 15% | R | 88% | ||||||||
| Staphylococcus aureus | 98 | 90% | 99% | 99% | 100% | ||||||||
*Staphylococci that test susceptible to cloxacillin are also susceptible to cefazolin
| Gram Negative | Total Isolates | % of isolates susceptible | |||||||||||
| Amikacin | Ampicillin | Cefazolin | Ceftazidime | Ceftriaxone | Ciprofloxacin* | Gentamicin | Meropenem | Nitrofurantoin | Piperacillin/tazobactam | Tobramycin | TMP/SMX | ||
| Citrobacter freundii | 60 | 100% | R | R | R | 84% | 92% | 95% | 93% | R | 90% | 88% | |
| Citrobacter koseri | 62 | 100% | R | NA | 100% | 98% | 100% | 97% | 44% | na | 98% | 94% | |
| Enterobacter cloacae complex | 115 | 100% | R | R | R | 96% | 99% | 100% | 35% | R | 98% | 88% | |
| Escherichia coli | 1745 | 100% | 54% | 76% | 84% | 66% | 91% | 100% | 97% | 88% | 90% | 77% | |
| ESBL | 275 | 100% | R | R | R | 22% | 78% | 100% | 93% | R | 75% | 49% | |
| non ESBL | 1470 | 100% | 64% | 90% | 99% | 75% | 93% | 100% | 98% | 99% | 93% | 82% | |
| Klebsiella aerogenes | 52 | 100% | R | R | R | 880% | 100% | 94% | 53% | R | 98% | 100% | |
| Klebsiella oxytoca | 104 | 99% | R | 49% | 92% | 95% | 97% | 97% | 96% | 90% | 96% | 94% | |
| Klebsiella pneumoniae | 472 | 100% | R | 84% | 89% | 82% | 101% | 99% | 47% | 96% | 93% | 104% | |
| ESBL | 49 | 100% | R | R | R | 15% | 65% | 94% | 29% | R | 49% | 20% | |
| non ESBL | 423 | 100% | R | 94% | 99% | 90% | 98% | 99% | 49% | 99% | 98% | 91% | |
| Morganella morganii | 51 | 100% | R | R | 94% | 84% | 92% | 98% | R | NA | 92% | 76% | |
| Proteus mirabilis | 230 | 99% | 86% | 56% | 98% | 89% | 89% | 100% | R | 96% | 90% | 87% | |
| Pseudomonas aeruginosa | 267 | 100% | R | R | 89% | R | 84% | R | 91% | 90% | 98% | R | |
| Serratia marcescens | 33 | 97% | R | R | 91% | 91% | 97% | 97% | R | NA | 85% | 100% | |
