Table 4 Multivariate logistic regression analysis of risk factors for POCD

Venerable age

1.269

1.056

1.525

0.011

Low education level

0.792

0.644

0.974

0.027

Diabetes mellitus

2.924

0.653

13.093

0.161

Hypertension

4.153

1.355

12.732

0.013

Coronary disease

2.321

0.417

12.925

0.336

A history of cerebral infarction

3.543

0.639

19.649

0.148

Dyssomnia

1.272

1.001

1.617

0.049

Low potassium

1.206

0.240

6.066

0.820

Prolonged anaesthesia

1.009

1.001

1.018

0.035

Intraoperative hypotension

5.512

1.24

24.506

0.025