TABLE 1.
Windows of E. coli bloodstream infection rates per 1,000 hospital admissions from 1 March 2016 to 31 December 2020 a
| Window | 1 | 2 (ESC-R peak 1) | 3 | 4 (ESC-R peak 2) | 5 | 6 (ESC-R peak 3) | 7 |
|---|---|---|---|---|---|---|---|
| Date range (days) | 16/3/1–16/6/30 (121) |
16/7/1–17/4/30 (394) |
17/5/1–18/6/30 (425) |
18/7/1–18/12/31 (183) |
19/1/1–19/4/30 (119) |
19/5/1–19/12/31 (244) |
20/1/1–20/12/31 (365) |
| Total E. coli BSI per 1,000 admissions |
4.44 | 4.77 | 4.31 | 4.96 | 3.86 | 5.6 | 5.11 |
| ESC-R-Ec per 1,000 admissions | 0.92 | 1.89 | 1.16 | 2.09 | 1.07 | 2.24 | 1.63 |
| ESC-S-Ec per 1,000 admissions | 3.51 | 2.88 | 3.15 | 2.87 | 2.8 | 3.36 | 3.48 |
a
Prevalence rates calculated are based on mean monthly BSIs normalized by monthly hospital admissions occurring over the specified date ranges (see Materials and methods for details).