Table 1.

Demographic and anesthetic dosing data for patient groups

Anesthetic type	Group P	Group S
No. of patients	12	15
Age (years)	6.23 ± 2.87	1.77 ± 0.79
No. of patients (<6 years)	3	15
No. of patients (>6 years)	9	0
Gender (male\female)	9/3	11/4
Mean end-tidal sevo (%)		1.42 ± 1.11
Mean propofol dose (µg/kg/min)	71.7 ± 23.2	17.7 ± 32.17
Mean operation time (h)	5.63 (2.5–8.5)	4.60 (2–8)
Diagnosis
Congenital Scoliosis (CS) + fused rib	3	7
Semi-vertebral	5	8
CS/neurofibromatosis	4	0