^a)Fisher's exact test, and Chi-square test were used for the comparison between groups.

Abbreviations: AAHA, anti-apolipoprotein H/anti-β₂ glycoprotein 1 antibodies; ACL, anti-cardiolipin antibodies; ANA, antinuclear antibodies; Anti-dsDNA, anti-double stranded DNA antibodies; GPL, G phospholipids; LAC, lupus anticoagulant; MPL, M phospholipids; SC, splenic congestion; SMM, splenic myeloid metaplasia.