Table 2.

Comparison of pre- and postoperative scores

Neuropsychological symptoms	Preoperative		1 year postoperative				P value
			No. of patients	Score
				0	1	2
Easily tired	Score	0	8	3	5	0	0.24
		1	12	5	7	0
		2	5	1	4	0
	No. of patients		25	9	16	0
Forgetfulness	Score	0	6	1	5	0	0.8
		1	15	5	8	2
		2	4	0	4	0
	No. of patients		25	6	17	2
Decreased concentration	Score	0	7	4	3	0	0.3
		1	14	6	6	2
		2	4	0	4	0
	No. of patients		25	10	13	2
Depression	Score	0	12	10	1	1	0.17
		1	8	4	4	0
		2	5	2	2	1
	No. of patients		25	16	7	2
Irritability	Score	0	13	12	1	0	0.45
		1	11	5	5	1
		2	1	0	0	1
	No. of patients		25	17	6	2
Uneasiness	Score	0	10	8	2	0	1
		1	13	4	7	2
		2	2	0	1	1
	No. of patients		25	12	10	3
Sleeplessness	Score	0	11	7	3	1	1
		1	9	3	6	0
		2	5	0	1	4
	No. of patients		25	10	10	5