Table 1 Features related to isolation of ESBL-producing Enterobacteriaceae in both hospitals during the Jan 2006 – Sept 2010 period
Features | Hospital A | Hospital B | p |
|---|---|---|---|
Median age (Q1-Q3), n | 9 (2–52), n = 499 | 61 (45–74), n = 659 | <0.0001* |
Gender | |||
Men | 53.9 %, n = 269 | 51.9 %, n = 342 | 0.5 |
Women | |||
Hospitalization unit (%), n | |||
Medicine | 53.4 %, n = 266 | 41.1 %, n = 271 | <0.0001* |
Surgery | 33.1 %, n = 165 | 27.7 %, n = 183 | without |
ICU | 13.5 %, n = 67 | 31.1 %, n = 205 | ICU |
Clinical site (%), n | 0.54** | ||
Urine | 60.5 %, n = 302 | 59.9 %, n = 395 | <0.0001* |
Blood culture | 10.2 %, n = 51 | 9.1 %, n = 60 | without |
Respiratory no protected | 10.2 %, n = 51 | 3.3 %, n = 22 | respiratory |
Respiratory protected | 3.8 %, n = 19 | 4.1 %, n = 27 | no protected |
Intravascular devices | 4.7 %, n = 23 | 6.4 %, n = 42 | 0.07** |
Deep purulent samples | 1.8 %, n = 9 | 4.1 %, n = 27 | |
Others | 8.8 %, n = 44 | 13.1 %, n = 86 | |
ESBL-producing Enterobacteriaceae by species (%), n | |||
Escherichia coli | 38.7 %, n = 193 | 44.6 %, n = 294 | 0.0033* |
Enterobacter cloacae | 15.4 %, n = 77 | 19.3 %, n = 127 | without K. pneumoniae |
Klebsiella pneumoniae | 37.5 %, n = 187 | 27.5 %, n = 181 | 0.73** |
Other ESBL producers | 8.4 %, n = 42 | 8.7 %, n = 57 |