Table 3 Optimal cut-off and area under the curve values for predicting ROSC.

From: Quantitative pupillometry and neuron-specific enolase independently predict return of spontaneous circulation following cardiogenic out-of-hospital cardiac arrest: a prospective pilot study

 

AUC

Cut-off

Arterial blood gas

PaO2, mmHg

0.786

66.5

Lactate, mg/dL

0.712

118.0

Potassium, mmol/L

0.746

5.5

Serum chemistry

Creatine kinase, U/L

0.697

151.0

Blood urea nitrogen, mg/dL

0.615

18.0

Creatinine, mg/dL

0.654

1.15

NH3, µg/dL

0.665

217.75

Troponin T, ng/mL

0.687

0.05

D-dimers, µg/mL

0.689

17.4

Brain biomarkers

Neuron-specific enolase, ng/mL

0.858

40.6

S100-β, pg/mL

0.787

1993.2

Pupillometry

MAX, mm

0.821

4.99

%CH, %

0.731

0.65

Inflammatory cytokine

IL-6, pg/mL

0.665

61.25

  1. ROSC; return of spontaneous circulation, MAX; maximum pupil diameter, %CH; contraction ratio