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Table 1 Oxygen delivery (DO2), lactate and hemoglobin levels at the beginning of the protocol (T0), 30 (T30), 60 (T60) and 90 (T90) min

From: Automated closed-loop resuscitation of multiple hemorrhages: a comparison between fuzzy logic and decision table controllers in a sheep model

  Group T0 T30 T60 T90
pH FL 7.5 ± 0.1 7.5 ± 0.1 7.4 ± 0.1 7.5 ± 0.0
DT 7.5 ± 0.1 7.4 ± 0.1 7.4 ± 0.0 7.4 ± 0.0
pO2 (mmHg) FL 84 ± 6 94 ± 9 100 ± 22 104 ± 8
DT 76 ± 9 79 ± 14 87 ± 20 87 ± 7
pCO2 (mmHg) FL 35 ± 7 32 ± 10 35 ± 6 36 ± 9
DT 31 ± 5 27 ± 5 25 ± 2 26 ± 1
Base excess (mmol/l) FL 7.0 ± 2.4 −0.5 ± 3.1 −1.0 ± 1.5 1.2 ± 1.7
DT 1.0 ± 3.2* −6.8 ± 2.6* −9.8 ± 3.3* −9.4 ± 3.1*
DO2 (ml/min) FL 410 ± 106 175 ± 38 198 ± 23 229 ± 74
DT 468 ± 60 166 ± 44 227 ± 37 245 ± 55
Lactate (mmol/l) FL 0.9 ± 0.3 5.2 ± 2.5 5.0 ± 2.5 5.3 ± 2.8
DT 1.2 ± 0.6 9.6 ± 0.6* 11.0 ± 1.6* 11.5 ± 1.8*
Hemoglobin (g/dl) FL 7.9 ± 1.2 6.5 ± 1.3 5.6 ± 1.4 4.8 ± 0.5
DT 9.8 ± 0.8* 7.9 ± 0.5 6.0 ± 0.9 5.3 ± 1.0
  1. Data is presented as mean ± standard deviation
  2. pO 2 Partial pressure of oxygen, pCO 2 partial pressure of carbon dioxide, DO 2 oxygen delivery, FL fuzzy logic group, DT decision table group
  3. * p < 0.05