Table 1

Clinical features of patients in the study

APS groupSN-APS group
Number in study4040
Gender
 Male40
 Female3640
 Mean age at sample45.346.1
Diagnosis
 PAPS22N/A
 SLE/APS18N/A
 SN-PAPSN/A35
 SN-APS/SLEN/A5
Thrombosis3425
 Venous1912
 Arterial1513
 None615
Pregnancies?
 Yes3339
 No31
 N/A40
Pregnancy morbidity2335
 Miscarriage1229
 Stillbirth1925
 Prematurity47
 Preeclampsia710
 None175
LA positivity
 Yes270
 No1340
  • LA, lupus anticoagulant; PAPS, Primary Antiphospholipid Syndrome; SLE, systemic lupus erythematosus; SN-APS, seronegative antiphospholipid syndrome.