Table I.

Multivariate ORs for 30-day stroke with deficit after initial elective CEA (n = 12,786)

Variable	Incidence n or mean (%) ± SD	OR (95% CI)	Significance
Transfused 1–2 units vs none	82 (0.6)	4.75 (1.75–12.86)	0.002
Preop hemiplegia/hemiparesis	554 (4.3)	2.35 (1.37–4.04)	0.002
Hx transient ischemic attacks	3204 (25.1)	1.43 (1.05–1.95)	0.023
Hx CVA/stroke w/neurologic deficit	1587 (12.4)	2.00 (1.30–3.08)	0.002
Hx CVA/stroke w/o neurologic deficit	1028 (8.0)	2.22 (1.44–3.43)	0.000
Female sex	5317 (41.6)	1.13 (0.83–1.53)	0.436
Age, years	71.1 ± 9.4	1.00 (0.99–1.02)	0.804
Operative duration vs ≤80 minutes	2674 (20.9)		0.969
81–99 minutes	2448 (19.1)	0.86 (0.54–1.38)	0.537
100–119 minutes	2598 (20.3)	0.90 (0.57–1.42)	0.661
120–147 minutes	2586 (20.2)	0.88 (0.56–1.40)	0.600
>147 minutes	2480 (19.4)	0.96 (0.61–1.51)	0.873
Preop HCT group vs >40%	6248 (48.9)		0.831
≤25	41 (0.3)	1.21 (0.16–9.26)	0.852
26–30	306 (2.4)	0.73 (0.28–1.93)	0.525
31–35	1646 (12.9)	0.89 (0.56–1.41)	0.622
36–40	4545 (35.5)	0.83 (0.59–1.16)	0.283

CEA, Carotid endarterectomy; CI, confidence interval; CVA, cerebrovascular accident; HCT, hematocrit; OR, odds ratio; SD, standard deviation.