Features associated with antiphospholipid (aPL) syndrome but not included in the revised classification criteria (non-criteria aPL features) (n = 183)
| Non-criteria features | VE with or without PM n = 82 (%) | PM only n = 19 (%) | Asymptomatic n = 82 (%) |
|---|---|---|---|
| aCL, anticardiolipin; aβ2GPI, anti-β2-glycoprotein-I; aPL, antiphospholipid; PM, pregnancy morbidity; VE, vascular event. | |||
| *Based on 78 patients with echocardiogram reports. | |||
| †Titres above laboratory normal limits. | |||
| ‡Titres above laboratory normal limits based on 12 patients who were tested for antiprothrombin antibody, antiphosphatidylserine antibody, antiphosphatidylserine-prothrombin antibody or antiphosphatidylethanolamine antibody. | |||
| Livedo reticularis | 16/82 (20) | 3/19 (16) | 3/82 (4) |
| Cardiac valve disease* | 11/44 (25) | 0/6 (0) | 2/28 (7) |
| Thrombocytopenia | 11/82 (13) | 0/19 (0) | 5/82 (6) |
| Nephropathy | 5/82 (6) | 1/19 (5) | 1/82 (1) |
| Positive aCL IgA† | 3/82 (4) | 2/19 (11) | 13/82(16) |
| Positive aβ2GPI IgA† | 1/53 (2) | 0/6 (0) | 3/46 (7) |
| Other aPL‡ | 5/6 (83) | 0/0 | 1/6 (17) |