Stroke Research and Treatment / 2012 / Article / Tab 4

Review Article

Asymptomatic and Symptomatic Carotid Stenosis: An Obsolete Classification?

Table 4

Risk model by Rothwell for ipsilateral territorial infarcts in all patients in the medical treatment branch of ECST [61]. CI: confidence interval.

PHazard ratio95% CI

Cerebral events versus ocular events0.0082.451.27–4.75
Residual neurological signs after 7 days0.0061.301.08–1.57
Any ischemic event within the last 2 months0.0031.711.20–2.44
Number of events within the last 3 months (per event)–1.03
Previous myocardial infarction0.021.311.04–1.65
Degree of carotid stenosis0.00001.341.30–1.38
Plaque surface irregularity0.011.801.14–2.83
Poststenotic collapse of the internal carotid artery0.030.400.17–0.94
Age (per year)0.621.010.98–1.03
Male sex0.311.230.83–1.82
Systolic blood pressure (per 10 mmHg)0.821.050.90–1.15
Diastolic blood pressure (per 10 mmHg)0.611.100.80–1.30
Peripheral vascular disease0.901.030.65–1.63
Angina without previous myocardial infarction0.770.960.71–1.29
ECG signs of left ventricular hypertrophy0.901.070.40–2.10
Cerebral infarct on symptomatic side on CT0.181.320.88–1.96
Occlusion of the contralateral internal carotid artery0.961.000.72–1.63

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