2006 Revised antiphospholipid syndrome classification criteria subgroups based on antiphospholipid antibody positivity (n = 90)
| Subgroups | VE with or without PM n = 42 (%) | PM only n = 9 (%) | Asymptomatic n = 39 (%) |
|---|---|---|---|
| aCL, anticardiolipin; aβ2GPI, anti-β2-glycoprotein-I antibodies; aPL, antiphospholipid; LA, lupus anticoagulant; PM, pregnancy morbidity; VE, vascular event. | |||
| I: more than one aPL | 25 (60) | 5 (56) | 15 (38) |
| IIa: LA alone | 1 (2) | 1 (11) | 2 (5) |
| IIb: aCL alone | 12 (28) | 3 (33) | 21 (54) |
| IIc: aβ2GPI alone | 4 (10) | 0 | 1 (3) |