Intraoperative Neuromonitoring for Cerebral Arteriovenous Malformation Embolization: A Propensity-Score Matched Retrospective Database Study.

On a more granular level, the hospital payment per patient index encounter was also significantly lower for the IONM cohort ($36,721 versus $46,467; p<0.001), and there was a trend towards lower physician professional payments, which did not reach statistical significance ($3678 versus $4111 in the non-IONM group; p=0.129).

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