Table 3.

Univariable and Multivariable Cox Regression Results for Risk of Recurrent Stroke

Covariate	Univariable Model			Multivariable Model
	HR	95% CI	P Value	Adjusted HR	95% CI	P Value
Age	1.01	0.99–1.03	0.12	0.99	0.97–1.01	0.24
Female	0.80	0.55–1.17	0.25	0.57	0.38–0.85	0.005
AF	1.76	1.07–2.89	0.026	2.73	1.33–5.59	0.006
AF duration
No AF/Unknown	-	-	-	-	-	-
<6 min	1.04	0.45–2.39	0.92	0.56	0.22–1.41	0.22
6 min–24 h	1.13	0.72–1.78	0.60	0.62	0.32–1.17	0.14
>24 h	0.30	0.04–2.15	0.23	0.14	0.02–1.06	0.057
Index event
Stroke	-	-	-	-	-	-
TIA	0.79	0.39–1.62	0.52	0.70	0.34–1.45	0.34
LAVI	0.99	0.97–1.01	0.38	0.98	0.97–1.00	0.081
CHA2DS2-VASc ≥4	1.32	1.16–1.49	<0.001	1.49	1.27–1.75	<0.001
CKD	0.65	0.41–1.01	0.057	0.87	0.54–1.39	0.55

P values <0.05 (ie, statistically significant differences) are in boldface.

CKD = chronic kidney disease; other abbreviations as in Table 1.