sentence: As expected , the association was stronger in T1Ps than T2Ps and in PsC than PsA.We confirmed an association between Ps and rs702873 ( REL ) , rs3212227 ( IL12B ) , rs1264569 ( TRIM39 / RPP21 ) , rs879882 ( POU5F1 ) , rs13437088 ( MICA ) in a Polish population .