TABLE 1

Distribution of organisms for Cols and Colr culturesa

Organism% of isolates
ColsColr
A. baumannii2.411.1
Enterobacter spp.8.56.2
Escherichia spp.37.60.4
K. pneumoniae16.068.4
Pseudomonas spp.22.37.6
Stenotrophomonas spp.3.72.7
Other9.53.6
  • a P < 0.001 by the chi-squared test. Colr was defined as an MIC of >2 μg/ml.