Comparison of the device utilization ratios and the rates of device-associated infections from 2015 through 2020
| July 2015-June 2016 | July 2016-June 2017 | July 2017-June 2018 | July 2018-June 2019 | July 2019-June 2020 | |
|---|---|---|---|---|---|
| No. of hospitals | 103 | 193 | 216 | 227 | 256 |
| No. of units | 178 | 285 | 308 | 316 | 340 |
| Patient-days | 945,605 | 1,387,515 | 1,489,409 | 1,490,256 | 1,587,809 |
| Device-days | |||||
| Urinary catheter-days | 795,466 | 1,177,533 | 1,277,540 | 1,278,137 | 1,271,496 |
| Central line-days | 481,302 | 663,681 | 739,052 | 761,513 | 786,348 |
| Ventilator-days | 388,408 | 480,576 | 524,821 | 526,924 | 505,133 |
| No. of infections | |||||
| Urinary catheter-associated UTI | 702 | 1,189 | 1,476 | 1,633 | 1,597 |
| Central line-associated BSI | 1,058 | 1,481 | 1,692 | 1,769 | 1,695 |
| Ventilator-associated PNEU | 389 | 480 | 505 | 569 | 470 |
| Device utilization ratio (DD/PD) | |||||
| Urinary catheter Pooled mean 95% CI The 10-90 percentile range |
0.84 0.839-0.841 0.69-0.98 |
0.85 0.849-0.851 0.70-0.97 |
0.86 0.859-0.861 0.70-0.97 |
0.86 0.859-0.861 0.70-0.97 |
0.80 0.799-0.801 0.69-0.97 |
| Central line Pooled mean 95% CI The 10-90 percentile range |
0.51 0.509-0.511 0.29-0.77 |
0.48 0.479-0.481 0.20-0.73 |
0.50 0.499-0.501 0.18-0.73 |
0.51 0.509-0.511 0.20-0.76 |
0.50 0.499-0.501 0.18-0.78 |
| Ventilator Pooled mean 95% CI The 10-90 percentile range |
0.41 0.409-0.411 0.22-0.62 |
0.35 0.349-0.351 0.10-0.58 |
0.35 0.349-0.351 0.08-0.59 |
0.35 0.349-0.351 0.08-0.61 |
0.32 0.319-0.321 0.05-0.57 |
| Device-associated infection rate (/1,000 DD) | |||||
| Urinary catheter-associated UTI Pooled mean 95% CI The 10-90 percentile range |
0.88 0.82-0.95 0-1.92 |
1.01 0.95-1.07 0-2.34 |
1.16 1.10-1.22 0-3.13 |
1.28 1.22-1.34 0-3.33 |
1.26 1.20-1.32 0-3.24 |
| Central line-associated BSI Pooled mean 95% CI The 10-90 percentile range |
2.20 2.07-2.33 0-4.47 |
2.23 2.12-2.35 0-4.38 |
2.29 2.18-2.40 0-5.23 |
2.32 2.22-2.43 0-5.25 |
2.16 2.06-2.26 0-5.11 |
| Ventilator-associated PNEU Pooled mean 95% CI The 10-90 percentile range |
1.00 0.91-1.11 0-2.80 |
1.00 0.91-1.09 0-2.87 |
0.96 0.88-1.05 0-3.16 |
1.08 0.99-1.17 0-2.71 |
0.93 0.85-1.02 0-2.85 |
Abbreviations: ICU, intensive care unit; UTI, urinary tract infection; BSI, bloodstream infection; PNEU, pneumonia; DD, device day; PD, patient day; 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