The Hyperdense Internal Carotid Artery Sign: Prevalence and Prognostic Relevance in Stroke Thrombolysis

Table 1

Baseline characteristics and outcomes of patients with or without HICAS present.

	Patients with HICAS	Patients without HICAS
	𝑛=3	𝑛=117	𝑃
Age	72.0 (65.4–78.6)	69.7 (67.5–71.9)	0.742
Female	2 (66.6%)	51 (43.6%)	1.0
Baseline NIHSS	21.0 (16.7–25.3)	12.8 (11.7–13.9)	0.019
Time to rtPA (minutes)	176 (37–315)	162 (151–173)	0.626
Atrial fibrillation	1 (33.3%)	27 (23.1%)	0.553
Hyperlipidaemia	2 (66.6%)	42 (35.9%)	0.554
Angina	0 (0%)	20 (17.1%)	1.0
Peripheral vascular disease	0 (0%)	6 (5.1%)	1.0
Hypertension	2 (66.6%)	72 (61.5%)	1.0
Myocardial infarction	0 (0%)	11 (9.4%)	1.0
Diabetes mellitus	0 (0%)	14 (11.9%)	1.0
Current smoker	1 (33.3%)	24 (20.5%)	0.507
Haemorrhagic conversion	0 (0%)	6 (5.1%)	1.0
24 hour NIHSS ≥10	2 (66.6%)	44 (37.1%)	0.559
inpatient death	0 (0%)	19 (16.2%)	1.0
Poor outcome	2 (66.6%)	45 (38.5%)	0.560

Values are mean (95% confidence interval) or 𝑛 (%) as appropriate.
Poor outcome defined as discharge Barthel score <15 or inpatient death.