Fig. 5From: Correlation of exhaled propofol with Narcotrend index and calculated propofol plasma levels in children undergoing surgery under total intravenous anesthesia - an observational studyBox plots of exhaled propofol, Narcotrend Index and propofol (P) plasma concentration calculated by the Paedfusor and Kataria model during induction and maintenance. The data are expressed as median values and 25/50 percentiles. The whiskers represent the highest and the lowest valueBack to article page