Table 3.

Risk factors associated with early postoperative stroke.

Variables	Crude OR (95% CI)	Adjusted OR (95% CI)	P value
ASA physical status classification ≥ 3	4.04 (1.87–8.72)	3.12 (1.22–7.99)	.017*
Abnormal preoperative chest radiography	2.68 (1.32–5.44)	1.72 (0.70–4.24)	.238
Operation time ≤ 120 minutes >120 minutes	1 11.51 (4.52–29.34)	1 10.69 (3.95–28.94)	<.001*
Intraoperative hypotension and inotrope/vasopressor use	5.19 (2.24–12.05)	2.80 (1.08–7.24)	.034*

Data presented as crude and adjusted odds ratio (OR) (95% confidence interval [CI]).

ASA = American Society of Anesthesiologists.

^*P value < .05 considered statistical significant.