Table 1 Demographic and clinical characteristics of patients with bacteremia caused by carbapenem resistant Acinetobacter baumannii and carbapenem resistant Acinetobacter nosocomialis*
Demographic or characteristic | A. baumannii(n=71) | A. nosocomialis(n=64) | pvalue |
|---|---|---|---|
| Â | n (% or interquartile range) | Â | |
Age in years | 75(61.0–82.0) | 76(62.0–81.0) | 0.78 |
Gender, male | 54(76.1) | 46(71.9) | 0.7 |
Acquired in ICU | 60(84.5) | 54(84.4) | 1 |
Days of hospitalization prior to culture | 22.5(9.5–39.5) | 25(8.0–34.0) | 0.26 |
Source | Â | Â | Â |
  Respiratory tract | 47(66.2) | 45(70.3) | 0.71 |
  Intravenous device | 4(5.6) | 7(10.9) | 0.35 |
  Intra-abdomen | 6(8.5) | 3(4.7) | 0.5 |
  Wound | 2(2.8) | 1(1.6) | 1 |
  Primary bacteremia | 12(16.9) | 8(12.5) | 0.32 |
Comorbidity | Â | Â | Â |
  Coronary artery disease | 7(9.9) | 11(17.2) | 0.31 |
  Congestive heart failure | 5(7.0) | 11(15.6) | 0.11 |
  Cerebral vascular disease | 13(18.3) | 17(26.6) | 0.3 |
  Hypertension | 22(31.0) | 25(39.1) | 0.37 |
  COPD | 14(19.7) | 20(31.2) | 0.17 |
  Alcoholism | 7(9.9) | 1(1.6) | 0.07 |
  Liver cirrhosis | 3(4.2) | 3(4.7) | 1 |
  Diabetes mellitus | 20(28.2) | 22(34.4) | 0.46 |
  Collagen vascular disease | 4(5.6) | 4(6.2) | 1 |
  Usage of immunosuppressants | 23(32.4) | 15(23.4) | 0.26 |
  Neutropenia | 2(2.8) | 1(1.6) | 1 |
  Malignancy | 27(38.0) | 24(37.5) | 1 |
    Hematologic malignancy | 9(12.7) | 1(1.6) | 0.019 |
    Solid malignancy | 20(28.2) | 23(35.9) | 0.36 |
  Recent surgery | 26(36.6) | 29(45.3) | 0.38 |
  Trauma | 2(2.8) | 2(3.1) | 1 |
Procedure†|  |  |  |
  Abdominal drain | 7(9.9) | 9(14.1) | 0.6 |
  Central venous catheter | 49(69.0) | 47(73.4) | 0.7 |
  Foley catheter | 53(74.6) | 44(48.8) | 0.57 |
  Hemodialysis | 9(12.7) | 8(12.5) | 1 |
  Thoracic drain | 1(1.4) | 4(6.2) | 0.19 |
  Total parental nutrition | 9(12.7) | 7(10.9) | 0.8 |
  Endotracheal tube or tracheostomy | 53(74.6) | 53(82.8) | 0.3 |
  Ventilator | 49(69.0) | 45(70.3) | 1 |
  Arterial line | 22(31.0) | 12(18.8) | 0.12 |
  Nasogastric tube | 61(85.9) | 51(79.7) | 0.37 |
APACHE II score†| 26(19.0–34.0) | 26(18.3–31.8) | 0.1 |
Shock | 29(40.8) | 10(15.6) | 0.003 |
Appropriate antimicrobial therapy | 9(12.7) | 22(34.4) | 0.004 |
Mortality | 43(60.6) | 21(32.8) | 0.002 |
 14-day mortality | 29(40.8) | 9(14.1) | 0.001 |
 28-day mortality | 34(47.9) | 13(20.3) | 0.001 |
 Time to mortality, day | 7(2.0–26.0) | 21(9.5–68.5) | 0.022 |