Table 1.

Common Carotid Artery Intima-Media Thickness (CCA-IMT), intima-media thickness at the level of carotid Bulb (Bulb-IMT) and prevalence of carotid plaques in carriers of antiphospholipid antibodies positivity (APP), subjects with antiphospholipid syndrome (APS) and controls, stratified for the type of thrombotic manifestation.

	CCA-IMT (mm)	P vs Controls	P vs APP
Controls	0.82 ± 0.12	Comparator	0,032
Arterial APS	1.09 ± 0.68	< 0.001	< 0.001
Non-arterial APS	0.88 ± 0.29	0,035	1.000
APP	0.89 ± 0.25	0,032	Comparator
	Bulb-IMT (mm)	P vs Controls	P vs APP
Controls	0.95 ± 0.18	Comparator	0,009
Arterial APS	1.43 ± 0.89	< 0.001	< 0.001
Non-arterial APS	1.18 ± 0.56	< 0.001	0.807
APP	1.10 ± 0.45	0,009	Comparator
	Carotid Plaques n (%)	P vs Controls	P vs APP
Controls	33 (10.2%)	Comparator	< 0.001
Arterial APS	24 (49.0%)	< 0.001	0.077
Non-arterial APS	61 (35.5%)	< 0.001	0.795
APP	35 (33.7%)	< 0.001	Comparator

Note: Arterial APS includes cardiovascular and cerebrovascular events; Non-arterial APS includes venous thrombosis and recurrent miscarriage.