Table 3.

Distribution of parameters among clusters

	Cluster 1 n = 133 (55.6%)	Cluster 2 n = 106 (44.4%)	p
Sex			0.06
Males	45 (34%)	24 (23%)
Females	88 (66%)	82 (77%)
Symptoms
Headaches	66 (50%)	106 (100%)	< 0.001
Seizure (focal or generalized)	30 (23%)	0 (0%)	< 0.001
Focal neurological deficit	85 (64%)	0 (0%)	< 0.001
Papilledema	11 (8%)	0 (0%)	0.001
Disturbed consciousness	10 (8%)	0 (0%)	0.003
Previous history of DVT or PE	17 (13%)	0 (0%)	< 0.001
CVT	32 (24%)	7 (7%)	< 0.001

DVT: deep vein thrombosis of the legs

PE: pulmonary embolism

CVT: cerebral vein thrombosis.