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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Diagn Microbiol Infect Dis. 2009 Apr 2;64(3):311–319. doi: 10.1016/j.diagmicrobio.2009.02.006

Table 2.

Baseline Variables Stratified by Mortality

Variable Survived
(n=60)
Died
(n=35)
Significance
Age in Years, mean (SD) 55.6 (17.8) 59.4 (20.9) 0.341
Ethnicity (n, %)
  Caucasian 28 (46.7) 22 (62.9) 0.13
  African-American 12 (20.0) 3(8.6) 0.24
  Asian 0 (0) 2 (5.7) *
  Hispanic 3 (5.0) 3 (8.6) 0.67
  Other or Unknown 17 (28.3) 5 (14.3) 0.14
Gender, n (%)
    Male 36 (60.0) 15 (42.9) 0.11
SOFA score
  Day −2, mean (SD)
    Respiratory 0.2 (0.5) 1.1 (1.5) <0.001
    Coagulation 1.1 (1.4) 1.8 (1.3) 0.01
    Liver 0.5 (0.9) 1.3 (1.3) <0.001
    Cardiovascular 0.1 (0.3) 0.6 (1.3) 0.003
    Central Nervous System 0.3 (0.8) 0.5 (1.0) 0.24
    Renal 1.0 (1.2) 1.2 (0.2) 0.38
    Composite 3.0 (2.2) 6.5 (4.2) <0.001
  Day 0, mean (SD)
    Respiratory 0.8 (1.2) 2.2 (1.4) <0.001
    Coagulation 1.2 (1.5) 1.9 (1.5) 0.34
    Liver 0.5 (1.0) 1.4 (1.4) <0.001
    Cardiovascular 0.2 (0.6) 1.7 (1.7) <0.001
    Central Nervous System 0.3 (0.8) 0.8 (1.4) 0.04
    Renal 1.0 (1.2) 1.5 (1.3) 0.08
    Composite 4.1 (2.5) 9.5 (4.9) <0.001
Length of Hospital Stay Prior to
  Bacteremia, mean (SD)
5.7 (11.0) 15.6 (19.4) 0.002
Neutropenia, n (%) 8 (13.6) 9 (25.7) 0.14
Polymicrobial Bacteremia, n (%) 22 (36.7) 12 (34.3) 0.82
Polymicrobial Bacteremia excluding
  CNS**, n (%)
18 (30.0) 8 (22.9) 0.45
Catheter-Related Bacteremia, n (%) 10 (16.7) 1 (2.9) 0.05
Complex Bacteremia, n (%) 28 (46.7) 20 (57.1) 0.32
*

unable to calculate due to a zero value

**

coagulase-negative staphylococci