Table 2. Rates of Perioperative Death and Stroke Following CEA by Neurological Indication, Acuity and Timing of Surgery (N=9308).

Specific Neurological Indication for CEA	Number	Prevalence (%)	Death/Stroke Rate % (#)	Any Stroke Rate % (#)
Asymptomatic	6553	71.5	3.01 (200)	2.48 (165)
Carotid TIA	1763	18.9	5.62 (99)	4.54 (80)
Minor Stroke	718	7.7	6.54 (47)	5.57 (40)
Major Stroke	144	1.5	14.58 (21)	11.80 (17)
Acute Syndromes	30	.32	13.33 (4)	10.0 (3)
Crescendo TIA	15	0.16	13.33 (2)	6.67 (1)
Stroke-in-evolution	15	0.16	13.33 (2)	13.33 (2)
Global Categories of Neurological Acuity
Asymptomatic	6653	71.5	3.01 (200)	2.48 (165)
No stroke or TIA ever	5200	55.9	2.71 (141)	2.17 (113)
Distant stroke or TIA*	1453	15.6	4.06 (59)	3.58 (52)
Symptomatic	2655	28.5	6.44 (171)	5.27 (140)
Carotid TIA	1763	18.9	5.62 (99)	4.54 (80)
Stroke	862	9.3	7.89 (68)	6.61 (57)
Acute syndromes	30	0.32	13.33 (4)	10.0 (3)
Timing of CEA in Relation to Recency of Carotid Symptoms in Symptomatic Patients
TIA/Minor Stroke	2496	100.0	5.93 (148)	4.85 (121)
<2 days	198	7.9	7.58 (15)	6.06 (12)
2-6 days	418	16.8	7.18 (30)	5.98 (25)
7-14 days	379	15.2	6.86 (26)	4.75 (18)
>14 days	1501	60.1	5.13 (77)	4.40 (66)
Major Stroke	144	1.5	14.58 (21)	11.80 (17)
< 6 weeks	93	1.0	15.05 (14)	12.90 (12)
6 weeks to 1 year	51	0.5	13.72 (7)	9.80 (5)

^*Distant stroke or TIA means > 1 year prior to CEA