Table 1. Demographic Data, Visual Analog Scale and Sedation Scale in Terms of Two Groups^a.

Variable		Placebo (n = 30)	Memantine (n = 30)	P Value
Age, y		43.8 ± 10.5	46.3 ± 10.7	0.3
Gender (female/male)		18/12	18/12	1
BMI, kg/m 2		23.9 ± 3.0	24.9 ± 3.4	0.2
Visual Analog Scale	Recovery	4.7 ± 0.8	3.3 ± 0.7	< 0.001
	1 hour after operation	3.7 ± 0.8	2.3 ± 0.7	< 0.001
	2 hours after operation	2.8 ± 0.9	1.6 ± 1.2	< 0.001
	6 hours after operation	2.8 ± 0.9	1 .0 ± 0.9	< 0.001
Sedation scale	Recovery	1.0 ± 0.8	1.0 ± 0.7	0.3
	1 hour after operation	1.2 ± 0.6	1.7 ± 0.7	< 0.001
	2 hours after operation	1.9 ± 0.9	2.0 ± 1.2	0.3
	6 hours after operation	2.0 ± 0.0	2.0 ± 0.0	1

^aValues are expressed as mean ± SD.