Table 2 Prevalence and incidence density rates of multidrug-resistant organisms (MDRO) in 8 Chinese intensive care units (ICU) for the 686 patients
From: First multicenter study on multidrug resistant bacteria carriage in Chinese ICUs
Indicator | All MDRO | MRSA | ESBL-E | A. baumannii | P. aeruginosa |
|---|---|---|---|---|---|
Number of imported cases | 247 | 22 | 224 | 9 | 4 |
Number of ICU-acquired cases | 104 | 36 | 69 | 35 | 5 |
Prevalence rate on admission (n/100 admissions) | 36.0 | 3.2 % | 32.7 % | 1.3 % | 0.6 % |
Prevalence rate on discharge (n/100 admissions) | 51.2 % | 8.5 % | 42.7 % | 6.4 % | 1.3 % |
Global prevalence density rate (n/1000 hospital-days) | 71.1 ‰ | 11.7 ‰ | 59.3 ‰ | 8.9 ‰ | 1.8 ‰ |
Incidence density rate (n/1000 hospital-days) | 35.0 ‰ | 7.5 ‰ | 21.5 ‰ | 7.3 ‰ | 1.0 ‰ |
Attack rate (n/100 admissions) | |||||
- overall | 23.7 % | 5.1 % | 14.9 % | 5.2 % | 0.7 % |
- ICU stay ≤ 1 week | 13.2 % | 2.1 % | 9.4 % | 1.8 % | 0 |
- 1 week < ICU stay ≤ 2 weeks | 40.3 % | 11.5 % | 26.2 % | 12.2 % | 0 |
- 2 weeks < ICU stay ≤ 3 weeks | 56.5 % | 19.5 % | 21.4 % | 15.9 % | 0 |
- ICU stay > 3 weeks | 82.1 % | 13.7 % | 46.7 % | 11.8 % | 9.6 % |