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Table 1 Incidence of device-associated infections (DAIs) by site, 2013–2016

From: Prospective surveillance of healthcare-associated infections and patterns of antimicrobial resistance of pathogens in an Italian intensive care unit

Year VAP CLABSI CAUTI
n. MVdays Ratea DURb n. CLdays Ratea DURb n. UCdays Ratea DURb
2013 12 502 23.9 0.32 14 1241 11.2 0.81 0 1224 0c 0.80
2014 24 897 26.7 0.34 15 2255 6.6 0.86 2 2258 0.9 0.86
2015 10 915 10.9 0.40 10 1535 6.5 0.67 6 1560 3.8 0.68
2016 10 826 12.1 0.40 12 1528 7.8 0.75 3 1528 1.9 0.75
TOTAL 56 3140 73.6 1.46 51 6559 32.1 3.09 11 6570 6.6 3.09
  1. NOTE. VAP ventilator-associated pneumonia, CLABSI central line-associated bloodstream infection, CAUTI catheter-associated urinary tract infection, MV mechanical ventilator , DUR device utilization ratio, CL central line, UC urinary catheter
  2. a \( \mathrm{Device}-\mathrm{associated}\ \mathrm{infection}\ \mathrm{rate}=\frac{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{associated}\ \mathrm{infection}\mathrm{s}\ \mathrm{for}\ \mathrm{an}\ \mathrm{infection}\ \mathrm{site}}{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{days}}\mathrm{x}\ 1000 \)
  3. b \( \mathrm{Device}\ \mathrm{utilization}\ \mathrm{ratio}\ \left(\mathrm{DUR}\right)=\frac{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{days}}{\mathrm{Number}\ \mathrm{of}\ \mathrm{patient}-\mathrm{days}} \)
  4. cThe rate was not calculated since the number of CAUTI in 2013 was 0