대한의료관련감염관리학회 Korean Society for Healthcare-associated infection Control and Prevention.

pISSN 0705-3797. eISSN 2586-1298.

Table. 3.

Table. 3.

Pooled means and percentiles of the distribution of device-associated infection rates, by number of hospital beds, from July 2018 through June 2019


Urinary catheter-associated UTI rate*

No. of hospital beds No. of units No. of UTI Urinary catheter-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 303 249,887 1.21 1.08-1.36 0.00 0.00 0.83 1.78 2.89
700-899 62 443 317,042 1.40 1.27-1.53 0.00 0.00 0.98 2.02 3.44
500-699 57 388 259,809 1.49 1.35-1.65 0.00 0.00 1.08 2.06 3.80
300-499 72 334 271,212 1.23 1.11-1.37 0.00 0.00 0.89 2.10 3.42
200-299 73 165 180,187 0.92 0.79-1.07 0.00 0.00 0.00 1.29 2.73
All 316 1,633 1,278,137 1.28 1.22-1.34 0.00 0.00 0.81 1.88 3.33
Central line-associated BSI rate

No. of hospital beds No. of units No. of BSI Central line-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 424 185,702 2.28 2.08-2.51 0.00 0.00 1.61 3.45 5.79
700-899 62 598 204,666 2.92 2.70-3.17 0.00 0.00 2.21 4.01 6.27
500-699 57 434 154,879 2.80 2.55-3.08 0.00 0.00 2.06 4.26 6.79
300-499 72 253 144,684 1.55-1.98 0.00 0.00 0.00 2.46 4.34
200-299 73 60 71,582 0.84 0.65-1.08 0.00 0.00 0.00 0.00 2.68
All 316 1,769 761,513 2.32 2.22-2.43 0.00 0.00 0.98 3.15 5.25
Ventilator-associated PNEU rate

No. of hospital beds No. of units No. of PNEU Ventilator-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 138 145,123 0.95 0.80-1.12 0.00 0.00 0.00 0.36 2.93
700-899 62 161 150,974 1.07 0.91-1.24 0.00 0.00 0.00 0.89 2.41
500-699 57 107 109,997 0.97 0.80-1.18 0.00 0.00 0.00 0.00 3.00
300-499 72 99 87,276 1.13 0.93-1.38 0.00 0.00 0.00 0.00 3.00
200-299 73 64 33,554 1.91 1.49-2.44 0.00 0.00 0.00 0.00 1.64
All 316 569 526,924 1.08 0.99-1.17 0.00 0.00 0.00 0.01 2.71

* Pooled mean=(No. of urinary catheter-associated UTIs/No. of urinary catheter-days)×1,000.

Pooled mean=(No. of central line-associated BSIs/No. of central line-days)×1,000.

Pooled mean=(No. of ventilator-associated PNEUs/No. of ventilator-days)×1,000.

Abbreviations: UTI, urinary tract infection; BSI, bloodstream infection; PNEU, pneumonia; CI, confidence interval.

Korean J healthc assoc Infect Control Prev 2020;25:115~127 https://doi.org/10.14192/kjicp.2020.25.2.115
© Korean J healthc assoc Infect Control Prev