Fig. 1
Bispectral index (BIS) values according to the patient age and time point of measurement after propofol injection in children. Age groups:group 1 (1 < yr. ≤ 2), group 2 (2 < yr. ≤ 3), group 3 (3 < yr. ≤ 4), group 4 (4 < yr. ≤ 5), group 5 (5 < yr. ≤ 6), group 6 (6 < yr. ≤ 7), group 7 (7 < yr. ≤ 8), group 8 (8 < yr. ≤ 9), group 9 (9 < yr. ≤ 10), group 10 (10 < yr. ≤ 11), and group 11 (11 < yr. ≤ 12)