Table 1 :  Clinical Characteristics of enrolled patients.


  ALL   Gram (-) Gram (+) Unknown P**

  N Mean STD N Mean SEM N Mean SEM N Mean SEM

Age 53 58.8 18 14 56.9 5.4 17 56.1 4.4 22 62.0 3.5 0.91
Apache II 53 21.9 7.1 14 24.8 1.5 17 23.5 1.6 22 18.8 1.6 0.56
Tmax within 24 hrs. of admission 53 100.7 1.9 14 101.1 0.6 17 101.1 0.4 22 100.1 0.4 0.97
  -- F M -- F M -- F M -- F M --
Gender 53 25 28 14 5 9 17 6 11 22 14 8 0.99
  -- Black White -- Black White -- Black White -- Black White --
Ethnicity* 50 30 20 11 7 4 17 8 9 22 15 7 0.86

*There were 2 asians and 1 hispanic not included above.
**P values calculated by type t-test for all continuous variables. For categorical variables,
P values are by Pearson Chi-square. All p values compare gram-negative vs. gram-positive groups.

Cowan et al.Research Journal of Infectious Diseases  2014 2:6DOI : 10.7243/2052-5958-2-6