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. 2015 Dec 23;158:279–287. doi: 10.1007/s00701-015-2661-8

Fig. 1.

Fig. 1

Example of good recording of nICP with four investigated methods when ICP changed considerably during the infusion test. a ICP; b nICP_BB; c nICP_FVd; d nICP_CrCP; e nICP_PI. R represents correlation coefficient between ICP and nICP (R = 0.93 for nICP_BB; R = 0.78 for nICP_FVd; R = 0.63 for nICP_CrCP; R = 0.81 for nICP_PI)