Table 3.

MoCA score changes.

Time point	Intravenous anesthesia group (n = 56)	Combined intravenous and inhalation anesthesia group (n = 64)	T/U value (MMSE)	P value
Preoperative	24.6 ± 2.5	24.8 ± 2.3	U = 1074.5	.73
1 week postoperative	24.3 ± 3.0 (↓3.0)	22.2 ± 2.9 (↓2.6)	U = 2.4	>.05
1 month postoperative	25.0 ± 3.1 (↑0.4)	25.3 ± 3.0 (↑0.5)	U = 5.0	>.05
3 months postoperative	25.6 ± 3.2 (↑1.0)	26.0 ± 2.8 (↑1.2)	U = 4.5	>.05

MCA = Montreal cognitive assessment, MMSE = mini-mental state examination.