Table 3.

Characteristics of 42 affected hemispheres

	MM type (Group A, B)	Non-MM type (Group C,D, and E)	P value
Number of hemispheres	17 (40.5%)	25 (59.5%)
Mean age at diagnosis ± SD	58.4 ± 15.3	55.0 ± 11.8	0.43
Females	14 (82.4%)	18 (72.0%)	0.49
Coexisting contralateral IAS	13 (76.5%)	19 (76.0%)	0.97
Symptoms at onset
Ischemic	6 (35.3%)	23 (92.0%)	< 0.0001
Hemorrhage	6 (35.3%)	0 (0%)	0.0013
Asymptomatic	5 (29.4%)	2 (8.0)%	0.068
Hypothyroidism	11 (64.7%)	14 (56.0%)	0.75