Research Article

Anti-Phosphatidylserine/Prothrombin Antibodies Are Associated with Adverse Pregnancy Outcomes

Table 4

Diagnostic accuracy of aPL for different adverse pregnancy outcomes.

≥3 consecutive miscarriages <10th WGFetal death >10th WGPremature birth <34th WG
AUCOR [95% CI]AUCOR [95% CI]AUCOR [95% CI]

LA0.5081.0 [1.0-1.1]ns0.5631.1 [1.1-1.2]0.001///
aCL0.5162.8 [0.5–16.0]ns0.5728.3 [1.8–37.6]0.0020.5629.4 [1.8–49.6]0.002
 IgG0.5124.2 [0.4–41.6]ns0.55812.6 [1.6–100]0.0030.56819.1 [2.2–165]<0.001
 IgM0.5031.4 [0.1–22.2]ns0.524.2 [0.5–38.3]ns0.4940.7 [0.7-0.8]ns
anti-β2GPI0.5010.9 [0.2–3.3]ns0.4970.8 [0.3–2.8]ns0.4650.8 [0.2–4.5]ns
 IgG0.4920.7 [0.2–2.8]ns0.4911.1 [0.4–3.6]ns0.4650.9 [0.2–4.6]ns
 IgM0.5090.4 [0.4-0.5]ns0.5130.5 [0.4–0.6]ns///
aPS/PT0.5345.3 [1.1–26.2]0.0260.5596.8 [1.5–31.4]0.0050.5447.5 [1.4–40.8]0.008
 IgG0.5319.0 [1.1–76.3]0.0170.5337.5 [0.9–62.6]0.0300.55015.2 [1.7–135]0.002
 IgM0.5124.3 [0.4–42.3]ns0.5337.6 [0.9–63.3]0.0290.5138.6 [0.9–85.9]0.030

AUC: area under the curve, aCL: anticardiolipin antibody, anti-β2GPI: antibodies against β2-glycoprotein I, aPS/PT: anti-phosphatidylserine/prothrombin antibodies, CI: confidence interval, LA: lupus anticoagulant, ns: not significant, OR: odds ratio, and WG: week of gestation.