Table V.

Risk-adjusted bivariate comparison of outcomes based on presenting symptom types within the carotid endarterectomy (CEA) treatment group

Thirty-day outcome	CEA: Multivariable (adjusted) logistic models					Adjusted Covariates
	Ipsilateral symptom		OR	95% CI	P value
	Comparison group	Reference group
Death/stroke/MI outcome	Stroke	vs TIA	1.30	0.83–2.03	.2466	Controls for age, white race, CAD, diabetes, ASA grade, and aspirin use
		vs TMB	2.56	1.18–5.57	.0174
		vs ASX	2.12	1.46–3.08	<.0001a
	TIA	vs TMB	1.97	0.91–4.25	.0844
		vs ASX	1.63	1.14–2.33	.0073a
	TMB	vs ASX	0.83	0.40–1.72	.6120
Death/stroke outcome	Stroke	vs TIA	1.50	0.93–2.41	.0935	Controls for ASA grade and aspirin use
		vs TMB	3.85	1.50–9.91	.0052a
		vs ASX	2.73	1.84–4.05	<.0001a
	TIA	vs TMB	2.56	0.99–6.62	.0517
		vs ASX	1.82	1.22–2.72	.0035a
	TMB	vs ASX	0.71	0.29–1.76	.4598
Death outcome	Stroke	vs TIA	2.07	0.79–5.41	.1361	Controls for ASA grade and aspirin use
		vs ASX	2.10	1.04–4.23	.0388
	TIA	vs ASX	1.01	0.44–2.32	.9796
Stroke outcome	Stroke	vs TIA	1.36	0.80–2.32	.2546	Controls for diabetes, TMB, and ASA grade
		vs TMB	4.58	1.36–15.42	.0140
		vs ASX	2.79	1.77–4.40	<.0001a
	TIA	vs TMB	3.36	1.01–11.17	.0478
		vs ASX	2.05	1.31–3.20	.0016a
	TMB	vs ASX	0.61	0.19–1.98	.4113
MI outcome	Stroke	vs TIA	0.51	0.18–1.42	.1972	Controls for age, white race, CAD, and diabetes
		vs TMB	0.84	0.20–3.55	.8098
		vs ASX	0.67	0.27–1.71	.4041
	TIA	vs TMB	1.65	0.47–5.83	.4346
		vs ASX	1.33	0.73–2.43	.3584
	TMB	vs ASX	0.80	0.25–2.61	.7156

ASA, American Society of Anesthesiologists; ASX, asymptomatic; CAD, coronary artery disease; CI, confidence interval; MI, myocardial infarction; OR, odds ratio; TIA, transient ischemic attack; TMB, transient monocular blindness.

^aP < .0083 considered significant after Bonferroni correction for multiple comparisons.