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Table 2 Patient characteristics with acidic, normal-range, and alkaline feces

From: Prognostic impact of fecal pH in critically ill patients

  Acidic
(pH < 6.0, n= 22)
Normal range
(pH ≤ 6.0 to ≤ 7.2; n= 47)
Alkaline
(pH < 7.2; n= 69)
Age (years; mean ± SD) 60.6 ± 14.2 58.5 ± 19.8 58.9 ± 20.4
Sex (M/F) 15/7 35/12 41/28
APACHE II (mean ± SD) 17.6 ± 8.6 16.0 ± 7.9 17.1 ± 6.7
   Bacteremia (%) 45.5a 12.8 31.9a
   Mortality (%) 31.8 17.0 30.4
Origins of SIRS    
   Infection 19 32 44
   Trauma 2 10 19
   Burn 1 5 6
   Total 22 47 69
  1. aP < 0.05 versus normal range, Pearson χ2 test.