Table 5.

Univariate regression analysis of risk factors for POCD

Parameters	POCD (n=4))	Non-POCD (n=299)	p-value
Sex (male/female)	19 /22	137/162	-------
Average Age (years)	82.5±3.5	81.5±4.5	0.085
Body weight (kg)	75.2±11.5	75.7±11.4	0.672
ASA (II/III)	32/9	237/62	-------
Preoperative hypertension (%)	13 (31.7)	85 (28.4)	0.079
Coronary diseases (%)	12(29.3)	88(29.4)	0.086
Pulmonary diseases (%)	11(26.8)	75(25.1)	0.078
MMSE <26 (%)	7 (17.1)	34 (11.4)	0.107
Asymptomatic large artery atherosclerosis(%)	8(19.5)	54 (18.1)	0.089
≥80y (%)	15(36.6)	95 (31.8)	0.091

Intraoperative hypertension(%)