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Table 3 Differences in Age, Sex, Race, Exposure Category, CD4+ Lymphocyte Count, and APACHE II Score

From: Bacteremia in hospitalized patients with human immunodeficiency virus: A prospective, cohort study

  Blood stream infectiona  
Characteristic Present (n = 88) Absent (n = 1,137) P
Age, mean ± SD, y 38.3 ± 9.3 38.2 ± 8.9 0.9261
Sex    0.4045
   Male 50 (7) 704 (93)  
   Female 38 (8) 433 (92)  
Race    0.0013
   African American 83 (8) 943 (92)  
   White 3 (2) 187 (98)  
   Hispanic 2 (22) 7 (78)  
Exposure category    0.4231
   Injection drug use 23 (7) 310 (93)  
   Heterosexual contact 19 (10) 175 (90)  
   Homosexual contact 3 (2) 135 (98)  
   Commercial sex work and 2 (6) 30 (94)  
injection drug use    
   Homosexual contact and 2 (7) 28 (93)  
injection drug use    
   Commercial sex work 2 (7) 27 (93)  
   Blood transfusion 1 (5) 21 (95)  
   Needle stick 0 (0) 1 (100)  
   Unidentified 36 (8) 410 (92)  
CD4+ lymphocyte count, 0.173 ± 0.278 (0.059) 0.158 ± 0.218 (0.060) 0.6967
   mean ± SD (median), × 109/L    
White blood cell count, 9.0 ± 6.6 (6.5) 6.3 ± 4.6 (4.9) 0.0002
   mean ± SD (median), × 109/L    
APACHE II score, 19.8 ± 7.9 (18) 14.3 ± 6.6 (13) < 0.0001
   mean ± SD (median)    
  1. APACHE, Acute Physiology and Chronic Health Evaluation; SD, standard deviation. aValues are number (percentage) unless otherwise indicated.