TABLE 2.

Resistance rates for the 10 most frequently isolated GNB from 2002 to 2004a

GNB and source% of isolates (%I/%R)
Ampicillin-sulbactamCeftriaxoneCeftazidimeCefepimePiperacillinPiperacillin-tazobactamImipenemErtapenemAztreonamTobramycinAmikacinCiprofloxacin
P. aeruginosa
    Respiratory tract34.9/48.66.5/4.614.6/13.0NA/15.9NA/13.73.5/14.915.7/18.51.8/13.56.9/3.55.7/27.4
    Urine35.4/48.14.1/3.116.0/12.9NA/11.8NA/14.03.1/13.417.1/17.32.1/17.87.8/4.72.1/41.9
    Bloodstream infection42.9/41.35.9/5.415.3/8.8NA/18.9NA/10.95.9/14.712.4/15.01.3/15.86.0/3.93.1/28.4
    All35.9/48.06.3/4.514.5/12.5NA/16.0NA/13.23.8/14.515.1/17.81.8/13.76.9/3.54.8/28.9
E. coli
    Respiratory tract13.9/32.31.9/5.01.3/1.90.9/3.55.0/35.02.9/6.60/00.3/0.90.9/6.03.4/8.91.5/1.20.4/18.6
    Urine12.7/25.91.7/3.10.9/1.10.5/1.83.8/33.82.3/3.80.2/0.30.2/1.01.0/4.12.9/6.00.4/0.40.2/16.3
    Bloodstream infection14.1/35.42.8/2.90.9/1.80.4/1.85.6/41.94.0/3.90/00.6/0.61.8/3.53.5/7.10.7/1.30.2/16.3
    All13.5/30.02.1/4.61.2/1.60.5/2.54.3/36.32.8/4.80.1/0.20.4/0.91.2/4.63.3/7.10.7/0.90.2/17.3
K. pneumoniae
    Respiratory tract8.2/22.94.8/11.70.7/4.12.1/8.119.9/24.94.3/11.80.7/0.70.2/3.51.1/15.72.2/15.25.4/3.41.6/16.8
    Urine8.6/21.34.3/10.41.4/2.91.6/6.616.2/31.85.0/7.50.5/0.20/2.01.1/13.12.3/13.63.4/2.31.1/16.1
    Bloodstream infection7.6/26.84.7/13.81.0/4.71.5/9.313.7/36.73.7/13.01.5/1.50.3/5.20.7/16.73.9/17.05.7/3.71.5/18.2
    All8.2/23.64.7/11.80.8/3.81.8/8.117.0/28.74.0/11.81.0/0.70.2/3.70.9/15.62.5/15.15.1/3.11.4/16.8
E. cloacae
    Respiratory tract19.0/61.68.6/26.12.6/11.04.0/9.35.2/31.711.6/14.60.6/0.42.0/2.74.7/27.52.9/10.61.7/1.42.2/12.0
    Urine20.3/50.78.7/36.22.2/12.35.8/11.610.9/34.813.1/20.30/01.5/2.913.0/23.22.9/13.82.2/2.22.9/14.5
    Bloodstream infection16.7/62.410.3/30.13.6/13.52.8/16.06.9/46.013.1/17.70/03.6/0.75.0/33.72.5/13.11.8/2.11.4/12.1
    All18.5/62.58.9/28.72.7/11.74.0/10.86.1/35.112.6/16.20.4/0.32.3/2.35.0/30.13.1/11.11.6/1.51.7/12.4
Acinetobacter spp.
    Respiratory tract7.6/31.616.4/53.27.4/13.413.7/46.611.4/50.416.9/35.86.4/4.822.8/60.64.6/28.55.2/21.91.4/61.5
    Urine10.5/29.817.5/68.410.5/22.817.5/54.411.1/66.726.3/33.31.8/8.814.0/75.43.5/36.85.3/31.60/74.5
    Bloodstream infection7.7/39.415.4/56.710.6/15.915.4/51.46.1/54.617.3/38.99.1/4.316.4/67.33.9/33.32.9/26.90.5/63.5
    All8.1/33.216.2/56.28.2/14.614.2/49.010.9/52.417.9/36.96.9/5.220.7/63.95.2/30.35.0/23.91.0/63.8
S. marcescens
    Respiratory tract12.7/81.05.6/4.72.1/2.31.5/4.47.1/9.05.3/6.80.2/0.51.0/1.32.1/7.64.7/6.40.6/0.33.7/6.6
    Urine14.8/72.27.4/7.43.7/3.71.9/5.69.5/23.83.7/5.60/1.90/3.71.9/13.09.3/16.75.6/3.73.7/11.1
    Bloodstream infection18.8/76.76.0/2.32.3/02.3/2.32.5/15.06.0/9.00/1.50.8/03.0/7.56.8/9.81.5/2.33.8/1.5
    All14.0/79.65.7/4.52.2/1.91.4/4.06.6/10.95.5/7.20.1/0.70.8/1.32.5/17.85.8/7.11.1/0.83.7/6.1
E. aerogenes
    Respiratory tract25.6/34.413.6/2.84.2/3.61.1/0.89.4/6.89.2/2.20.6/00.6/2.57.2/4.70.6/0.80.6/0.30.6/1.9
    Urine20.7/42.010.3/6.98.6/5.20/3.511.8/17.712.1/5.21.7/00/1.76.9/10.40/5.20/3.53.5/8.6
    Bloodstream infection19.4/48.425.8/1.611.3/4.80/021.1/15.817.7/3.20/00/012.9/8.11.6/00/01.6/4.8
    All22.9/38.915.6/4.35.9/4.61.2/1.511.3/10.811.4/3.41.1/00.4/2.88.4/7.10.7/1.81.2/0.51.1/3.5
P. mirabilis
    Respiratory tract6.0/2.86.0/2.80.5/0.51.4/0.91.4/8.10.9/0.50.5/00/0.90/2.33.2/2.30.9/0.50.9/13.4
    Urine7.4/8.70/0.78.6/5.21.3/1.35.0/15.00/1.50/00/0.70/2.74.0/3.40.7/03.4/19.5
    Bloodstream infection6.7/7.71.1/00/1.10/2.20/14.71.1/1.11.1/00/1.10/1.13.3/4.40/03.3/12.1
    All7.5/5.31.2/0.40.5/0.50.9/1.42.1/10.50.7/0.70.7/00/0.70/2.13.0/3.60.5/0.22.1/15.0
K. oxytoca
    Respiratory tract22.2/12.43.9/4.31.3/0.41.3/2.141.2/24.73.4/6.40/00/1.30.4/7.71.3/4.70/0.40.4/3.9
    Urine21.8/29.15.5/14.61.8/3.61.8/5.520.0/40.00/18.20/00/01.8/23.65.5/12.70/01.8/10.9
    Bloodstream infection19.3/25.06.8/8.00/1.11.1/010.0/40.04.6/10.20/00/1.12.3/13.65.7/6.82.3/02.3/4.6
    All19.8/17.64.9/6.00.9/1.11.1/2.032.9/27.03.3/8.70/00/1.10.9/11.32.9/6.00.4/0.40.9/6.0
C. freundii
    Respiratory tract10.8/57.820.5/30.11.2/14.52.4/6.06.7/36.721.7/16.90/01.2/3.69.6/36.11.2/27.74.8/9.67.2/24.21
    Urine13.3/48.014.7/28.06.7/6.74.0/12.04.6/22.714.7/13.30/00/4.05.3/32.01.3/21.34.0/4.01.3/20.0
    Bloodstream infection12.5/43.812.5/15.63.1/15.60/07.7/46.29.4/9.40/00/3.19.4/28.16.3/28.13.1/03.1/18.8
    All12.8/53.418.8/25.23.9/15.02.6/6.810.5/37.215.4/13.70/00.4/3.99.0/31.63.9/23.14.7/5.14.7/21.4
  • a I, intermediate; R, resistant. NA, not available.