Table 2.
Frequency of most common organisms by cohort*
| Pre-COVID-19 cohort (Jan 2017 – Feb 2020) (n = 6566) | COVID-19 cohort (Mar 2020 – Mar 2021) (n = 3119) | ||||
|---|---|---|---|---|---|
| Organism | Number | Proportion | Organism | Number | Proportion |
| Escherichia species | 1746 | 26.6% | Escherichia species | 728 | 23.4% |
| Enterococcus species | 1069 | 16.3% | Enterococcus species | 427 | 13.7% |
| Candida species | 809 | 12.3% | Candida species | 388 | 12.4% |
| Klebsiella species | 523 | 8.0% | Klebsiella species | 242 | 7.8% |
| Pseudomonas species | 510 | 7.8% | Pseudomonas species | 205 | 6.6% |
| Staphylococcus species | 287 | 4.4% | Staphylococcus speciesΩ | 183 | 5.9% |
| Proteus species | 257 | 3.9% | Enterobacter species | 141 | 4.5% |
| Enterobacter species | 244 | 3.7% | VRE | 140 | 4.5% |
| VRE | 188 | 2.9% | MSSA | 100 | 3.2% |
| Citrobacter species | 115 | 1.7% | Proteus species | 71 | 2.3% |
*Not all organisms reported (only most common 10 species)
# Includes cultures where more than one organism was reported
ΩStaphylococcus other than aureus
VRE - Vancomycin resistant enterococci
MSSA – methicillin sensitive Staphylococcus aureus