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Fig. 4 | Critical Care

Fig. 4

From: Transcranial Doppler as a screening test to exclude intracranial hypertension in brain-injured patients: the IMPRESSIT-2 prospective multicenter international study

Fig. 4

a Distribution of differences between paired ICPtcd and ICPi measurements as a function of ICPi. Black points represent concordant measurements (either true positive and true negative cases); green points indicate ICPi < 22 and ICPtcd ≥ 22 (false positive measurements); red points indicate ICPi ≥ 22 and ICPtcd < 22 (false negative cases). b Bland–Altman analysis yielded a mean bias (ICPtcd–ICPi) of − 3.3 mmHg with an agreement range comprised between − 26.1 and + 19.5

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Critical Care

ISSN: 1364-8535