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Annals of Intensive Care

Table 2 Extended-spectrum β-lactamase-producing Enterobacteriaceae prevalence in rectal swabs and respiratory samples in the early and late groups

From: Relation between presence of extended-spectrum β-lactamase-producing Enterobacteriaceae in systematic rectal swabs and respiratory tract specimens in ICU patients

Early group (n = 1557)

Respiratory sample ESBL-E (+)

45/1557 (2.9%)

Respiratory sample ESBL-E (−)

1512/1557 (97.1%)

Rectal swab ESBL-E (+)

234/1557 (15.0%)

34

200

Rectal swab ESBL-E (−)

1323/1557 (85.0%)

11

1312

Late group (n = 941)

Respiratory sample ESBL-E (+)

158/941 (16.8%)

Respiratory sample ESBL-E (−)

783/941 (83.2%)

Rectal swab ESBL-E (+)

346/941 (36.8%)

119

227

Rectal swab ESBL-E (−)

595/941 (63.2%)

39

556

  1. Prevalence is expressed as absolute value (percentage). ESBL: extended-spectrum β-lactamase-producing Enterobacteriaceae. The early group is defined by respiratory samples collected within the first 5 days after intensive care unit (ICU) admission, and the late group is defined by respiratory samples collected after 5 days of ICU hospitalization
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