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 | Â | Â | Â |
   Infection | 19 | 32 | 44 |
   Trauma | 2 | 10 | 19 |
   Burn | 1 | 5 | 6 |
   Total | 22 | 47 | 69 |