Table 2.

Multivariate logistic regression of first thrombosis in patients with OAPS

	OR	95% CI	P value	aOR*	95% CI	P value
All patients
Disease duration, years	1.072	0.999 to 1.149	0.052
Triple-positive aPLs	4.758	1.016 to 22.276	0.048	11.662	2.117 to 64.243	0.005
Hypocomplementemia	7.682	1.444 to 40.875	0.017	9.047	1.530 to 53.495	0.015
Arterial thrombosis subgroup
Triple-positive aPLs	24.167	2.724 to 214.369	0.004	NA
Venous thrombosis subgroup
Hypocomplementemia	13.073	1.421 to 120.255	0.023	7.966	0.788 to 80.552	0.079
PAPS subgroup
Premature birth <34 weeks	21.599	1.247 to 374.179	0.035	NA
Triple-positive aPLs	36.195	2.037 to 643.120	0.015	NA
Hypocomplementemia	25.738	1.725 to 383.955	0.018	NA

Data on IQR or n (%).

*aOR (adjustment for low-dose aspirin and hydroxychloroquine).

aOR, adjusted OR; aPLs, antiphospholipid antibodies; NA, not applicable; OAPS, obstetric antiphospholipid syndrome; PAPS, primary antiphospholipid syndrome.