Table 1

Characteristics of seronegative and seropositive APS women

Seronegative APS (n=187)

Seropositive APS (n=285)

General characteristics
Caucasian (n; %)150 (82)188 (66)
Age (years)33±536±5†
Obesity (n; %)15 (9)32 (11)
Arterial hypertension (n; %)3 (2)54 (19)†
Diabetes mellitus (n; %)1 (1)18 (6)†
Tobacco use (n; %)12 (7)33 (12)†
Hypercholesterolaemia (n; %)069 (24)†
Protein S deficiency/V Leiden (n; %)0/1 (1)8 (3)/10 (4)†
APS features
Thrombotic APS
 Arterial APS (n; %)0105 (37)†
 Venous APS (n; %)9 (6)154 (54)†
Obstetrical APS (n; %)168 (89)89 (31)†
Mix APS (n; %)8 (4)16 (6)
Non-criteria features (n; %)16 (9)141 (49)†
Obstetrical history
 Miscarriages (n; %)66 (35)18 (6)†
 Intrauterine deaths (n; %)60 (32)46 (16)†
 Prematurity <34 weeks of gestation (n; %)43 (23)31 (11)†
  • †p<0.05.

  • Values are numbers with frequencies and means with SD.

  • APS, antiphospholipid syndrome.