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Table 3 Receiver operating characteristic analysis for the three intraoperative predictors of hyperlactatemia

From: Hyperlactatemia during cardiopulmonary bypass: determinants and impact on postoperative outcome

Factor

AUC

95% CI

p value

Cutoff value

Sensitivity

Specificity

Lowest Do2 on CPB

0.70

0.55–0.81

0.001

Undetectable

-

-

Peak blood glucose on CPB

0.91

0.86–0.96

0.001

160 mg/dl

84%

83%

CPB duration

0.80

0.68–0.89

0.001

96 minutes

74%

80%

  1. AUC, area under the curve; CI, confidence interval; CPB, cardiopulmonary bypass; Do2, oxygen delivery.