Group A (n=20) Group B (n=20) Group C (n=20) Group D (n=20)
P value
P trend
Propofol requirement, mean (SD), mg/kg
1.35 (0.20)
1.15 (0.20) *
1.01 (0.21)
0.83 (0.17) ‡§‖
< 0.001
< 0.001
T reflection disappear, mean (SD), s
262.50 (36.11)
230.00 (42.43) *
200.50 (43.34)
165.00 (32.36) ‡§‖
< 0.001
< 0.001