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

pISSN 0705-3797. eISSN 2586-1298.

Table. 4.

Table. 4.

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

Urinary catheter utilization ratio*

No. of hospital beds No. of units Urinary catheter-days Patient-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 249,887 292,230 0.86 0.859-0.861 0.72 0.82 0.89 0.94 0.97
700-899 62 317,042 358,572 0.88 0.879-0.881 0.78 0.85 0.91 0.94 0.98
500-699 57 259,809 300,439 0.86 0.859-0.861 0.72 0.83 0.90 0.94 0.98
300-499 72 271,212 318,871 0.85 0.849-0.851 0.69 0.76 0.88 0.94 0.98
200-299 73 180,187 220,144 0.82 0.818-0.822 0.61 0.74 0.86 0.94 0.98
All 316 1,278,137 1,490,256 0.86 0.859-0.861 0.70 0.80 0.89 0.94 0.97
Central line utilization ratio

No. of hospital beds No. of units Central line-days Patient-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 185,702 292,230 0.64 0.638-0.642 0.39 0.50 0.61 0.76 0.90
700-899 62 204,666 358,572 0.57 0.568-0.572 0.33 0.43 0.57 0.70 0.84
500-699 57 154,879 300,439 0.52 0.518-0.522 0.30 0.42 0.54 0.64 0.73
300-499 72 144,684 318,871 0.448-0.452 0.24 0.34 0.46 0.56 0.66
200-299 73 71,582 220,144 0.33 0.328-0.332 0.08 0.16 0.31 0.45 0.58
All 316 761,513 1,490,256 0.51 0.509-0.511 0.20 0.35 0.50 0.62 0.76
Ventilator utilization ratio

No. of hospital beds No. of units Ventilator-days Patient-days Pooled mean 95% CI 10% 25% 50% 75% 90%
≥ 900 52 145,123 292,230 0.50 0.498-0.502 0.24 0.36 0.50 0.64 0.74
700-899 62 150,974 358,572 0.42 0.418-0.422 0.21 0.29 0.40 0.53 0.63
500-699 57 109,997 300,439 0.37 0.368-0.372 0.14 0.26 0.36 0.48 0.56
300-499 72 87,276 318,871 0.27 0.268-0.272 0.09 0.15 0.26 0.38 0.47
200-299 73 33,554 220,144 0.15 0.149-0.151 0.02 0.06 0.12 0.23 0.32
All 316 526,924 1,490,256 0.35 0.349-0.351 0.08 0.17 0.31 0.46 0.61

* Pooled mean=(No. of urinary catheter-days/No. of patient-days).

Pooled mean=(No. of central line-days/No. of patient-days).

Pooled mean=(No. of ventilator-days/No. of patient-days).

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