Table 2 Results of ROC curves of arterial and venous blood lactate indices predicting the occurrence of cardiac arrest in patients in the emergency room.
Characteristic | AUC | Cut-off | Youden index | Sensitivity% | Specificity% | P | 95%CI |
|---|---|---|---|---|---|---|---|
Arterial blood lactate (mmol/L) | 0.876 | > 2.8 | 0.6528 | 77.08 | 85.50 | < 0.001 | 0.851 ~ 0.899 |
Venous blood lactate (mmol/L) | 0.863 | > 3.2 | 0.6077 | 75.52 | 85.25 | < 0.001 | 0.837 ~ 0.886 |