Table 4 Summary of the noninvasive methods and their correlation with ICP, ROC AUC, and the cutoff point for each method.

From: Multimodal monitoring intracranial pressure by invasive and noninvasive means

Noninvasive method

ICP correlation

AUC (ROC)

Cutoff point

Mean P2/P1 B4C

0.35

0.786

1.06

Mean TTP B4C

0.35

0.694

0.2

Mean ONSD

0.29

0.692

5.2

Mean PI TCD

0.62

0.750

1.28

Sum CT

0.21

0.644

2

  1. B4C: Brain4care monitor; CT: Computerized Tomography; P2/P1: P2/P1 ratio; ONSD: Optic Nerve Sheath Diameter; PI: Pulsatility Index, TTP: Time-to-Peak, TCD: Transcranial Doppler.
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