Table 5.

PD1.6 polymorphism in patients with severe or mild–moderate psoriasis

Psoriasis patients	Mild–moderate (n = 51)	Severe (n = 77)	P value
PASI score ($\overline{x}\pm \text{SD}$)	6.96 ± 2.37	21.68 ± 8.61	<0.0001
BSA score ($\overline{x}\pm \text{SD}$)	6.28 ± 2.43	33.55 ± 14.98	<0.0001
Genotype (%)
AA	56.86	38.96
AG	39.22	51.95
GG	3.92	9.09	0.118
Allele (%)
A	76.47	64.94
G	23.53	35.06	0.051

BSA, body surface area; PASI, Psoriasis Area and Severity Index.