Implications of the Presence of Hyperdense Middle Cerebral Artery Sign in Determining the Subtypes of Stroke Etiology

Table 4

Adjusted analysis: prognostic effect of stroke subtype on outcome measures.

Outcome measures	Cardioembolism			LAA			Other
	No. (%)	OR (95% CI)	value	No. (%)	OR (95% CI)	value	No. (%)	OR (95% CI)	value
HMCAS disappearance ()	34 (47.2)	1.00	—	20 (27.8)	5.88 (1.24-27.85)	0.026	18 (25)	10.58 (1.31-85.43)	0.027
Neurological improvement ()	28 (62.2)	1.00	—	10 (22.2)	0.89 (0.33-2.39)	0.822	7 (15.6)	0.63 (0.22-1.81)	0.387
Favorable functional outcome ()	16 (51.6)	1.00	—	6 (19.4)	0.98 (0.33-2.96)	0.978	9 (29)	2.36 (0.81-6.88)	0.115
ICH ()	26 (70.3)	1.00	—	9 (24.3)	0.85 (0.32-2.30)	0.753	2 (5.4)	0.14 (0.03-0.68)	0.015
Brain herniation ()	17 (77.3)	1.00	—	3 (13.6)	0.38 (0.10-1.46)	0.159	2 (9.1)	0.28 (0.06-1.36)	0.116

CI: confidence interval; HMCAS: hyperdense middle cerebral artery sign; ICH: intracerebral hemorrhage; LAA: large-artery atherosclerosis; OR: odds ratio.