Table 1.

Genetic variants with evidence to support their ability to distinguish between PsA and cutaneous-only psoriasis.

Chromosome	Gene or Locus	Variant ID	Ref.
6	HLA-B	Amino acid position 45	[30]
6	HLA-B	Amino acid position 97	[29]
1	IL23R	rs12044149	[32,33,34]
5	5q31 (IL4, KIF3A)	rs715285	[36]
1	PTPN22	rs2476601	[25]
6	TNFAIP3	rs9321623	[34]
19	KIR2D		[35]
2	B3GNT2		[37]