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Table 6 The results of ROC analysis of lactate T1 and PPI T1 predicting prolonged ICU stay

From: Peripheral perfusion index predicting prolonged ICU stay earlier and better than lactate in surgical patients: an observational study

Variables

ROC area

95% CI

Cutoff value

Sensitivity

Specificity

PPI T1

0.772

0.658–0.886

1.35c

83.3%

73.8%

Lac T1

0.677

0.550–0.803

3.10d

50.0%

78.6%

  1. aPPIT1 < 1.35, predicting prolonged ICU stay with 83.3% sensitivity and 73.8% specificity
  2. bLactateT1 > 3.10 mmol/L, predicting prolonged ICU stay with 50.0% sensitivity and 78.6% specificity