Figure 7. Excretion of N-acetyl-beta-D-glucosaminidase in urine collected 0–24 h, 24–48 h, and 48–72 h after anesthesia. Individual and mean (+/- SD) values are shown. There were no significant differences between anesthetic groups. There were 35, 21, and 32 sevoflurane patient samples and 34, 19, and 32 isoflurane patient samples on days 1, 2, and 3, respectively.