Table 3 Prevalence and incidence density rates for all multidrug-resistant organisms (MDRO) according to the intensive care unit (ICU)
From: First multicenter study on multidrug resistant bacteria carriage in Chinese ICUs
Rate | ICU identification | |||||||
|---|---|---|---|---|---|---|---|---|
1 (n = 72) | 2 (n = 78) | 3 (n = 22) | 4 (n = 132) | 5 (n = 137) | 6 (n = 90) | 7 (n = 58) | 8 (n = 97) | |
Number of beds | 15 | 49 | 15 | 10 | 18 | 16 | 33 | 16 |
Annual number of admission | 1400 | 3200 | 1200 | 1000 | 2400 | 2600 | 2200 | 1300 |
Median length of staya (range) | 7.5 (2–33) | 4 (2–28) | 3.5 (2–17) | 2 (2–28) | 3 (2–38) | 14 (2–29) | 4 (2–22) | 3 (2–28) |
Number of imported cases | 26 | 17 | 6 | 45 | 54 | 45 | 9 | 45 |
Number of ICU-acquired cases | 19 | 9 | 1 | 12 | 19 | 20 | 7 | 17 |
Prevalence rate on admission (n/100 admissions) | 36.1 | 21.8 | 27.3 | 34.1 | 39.4 | 50.0 | 15.5 | 46.4 |
Prevalence rate on discharge (n/100 admissions) | 62.5 | 33.3 | 31.8 | 43.2 | 53.3 | 72.2 | 27.6 | 63.9 |
Attack rate (n/100 admissions) | 41.3 | 14.8 | 6.3 | 13.8 | 22.9 | 44.4 | 14.3 | 32.7 |
Global prevalence density rate (n/1000 hospital-days) | 64.5 | 58.2 | 55.1 | 95.8 | 114.1 | 47.5 | 47.2 | 85.6 |
Incidence density rate (n/1000 hospital-days)a | 45.8 | 25.4 | 12.3 | 28.8 | 52.1 | 31.4 | 25.2 | 39.9 |
Median time acquisition (range) | 7 (3–30) | 4 (3–19) | 7 (−) | 7 (3–28) | 5 (3–8) | 7 (3–24) | 7 (3–7) | 12 (3–28) |