表 2.

建模组缺血性脑卒中风险的Cox回归分析

Multivariate Cox regression analysis of the risk factors of ischemic stroke in the modeling group

Variables	β	HR (95% CI)	P	AUC	Score
AO:Ascending aorta; LA: Left atrium.
LSpO2 (%)
< 77.50	Ref
≥77.50	0.318	1.57 (1.20, 1.93)	< 0.01	0.735	1
FPG (mmol/L)
< 8.31	Ref
≥8.31	0.755	2.13 (1.22, 3.72)	0.008	0.738	2
Anteroposterior diameter of LA (mm)
< 39.91	Ref
≥39.91	0.659	1.98 (1.75, 2.25)	0.025	0.743	2
Internal diameter of AO (mm)
< 37.50	Ref
≥37.50	0.954	2.60 (1.04, 4.47)	< 0.01	0.76	3
Age (year)
< 70	Ref
≥70	1.236	3.44 (2.38, 7.77)	< 0.01	0.967	4