Pooled means of healthcare-associated infection rates, by number of hospital beds, from July 2019 through June 2020
| Healthcare-associated infection rate | No. of hospital beds | |||||
|---|---|---|---|---|---|---|
| ≥900 | 700-899 | 500-699 | 300-499 | 200-299 | All | |
| No. of units | 53 | 57 | 56 | 74 | 100 | 340 |
| Patient-days | 283,130 | 318,514 | 356,649 | 314,746 | 314,770 | 1,587,809 |
| Infection rate |
||||||
| No. of infections | 1,117 | 1,232 | 1,009 | 694 | 437 | 4,489 |
| Pooled mean | 3.95 | 3.87 | 2.83 | 2.20 | 1.39 | 2.83 |
| 95% CI | 3.72-4.18 | 3.66-4.09 | 2.66-3.01 | 2.05-2.38 | 1.26-1.52 | 2.75-2.91 |
| UTI rate |
||||||
| No. of UTI | 360 | 404 | 351 | 337 | 194 | 1,646 |
| Pooled mean | 1.27 | 1.27 | 0.98 | 1.07 | 0.62 | 1.04 |
| 95% CI | 1.15-1.41 | 1.15-1.40 | 0.89-1.09 | 0.96-1.19 | 0.54-0.71 | 0.99-1.09 |
| BSI rate |
||||||
| No. of BSI | 578 | 587 | 480 | 217 | 102 | 1,964 |
| Pooled mean | 2.04 | 1.84 | 1.35 | 0.69 | 0.32 | 1.24 |
| 95% CI | 1.88-2.21 | 1.70-2.00 | 1.23-1.47 | 0.60-0.79 | 0.27-0.39 | 1.18-1.29 |
| PNEU rate |
||||||
| No. of PNEU | 179 | 241 | 178 | 140 | 141 | 879 |
| Pooled mean | 0.63 | 0.76 | 0.50 | 0.44 | 0.45 | 0.55 |
| 95% CI | 0.55-0.73 | 0.67-0.86 | 0.43-0.58 | 0.38-0.52 | 0.38-0.53 | 0.52-0.59 |
*Pooled mean=(No. of UTIs, BSIs, or PNEUs/No. of patient-days)×1,000; †Pooled mean=(No. of UTIs/No. of patient-days)×1,000; ‡Pooled mean=(No. of BSIs/No. of patient-days)×1,000; §Pooled mean=(No. of PNEUs/No. of patient-days)×1,000.
Abbreviations: UTI, urinary tract infection; BSI, bloodstream infection; PNEU, pneumonia; CI, confidence interval.
Korean J healthc assoc Infect Control Prev 2021;26:115~128 https://doi.org/10.14192/kjicp.2021.26.2.115
© Korean J healthc assoc Infect Control Prev