Apolipoprotein E Gene Polymorphism and Serum Lipid Profile in Saudi Patients with Psoriasis

Table 1

Apolipoprotein E alleles frequencies in psoriasis patients and matched controls.

Allele	Psoriasis (𝑁=188)		Control (𝑁=400)		𝑃 value	RR	EF*/PF
	𝑁	Freq. %	𝑁	Freq. %
𝜀3	160	85.11	383	95.75	0.0001^†	0.254	0.459
𝜀4	20	10.64	17	4.25	0.0050^†	2.682	0.338*
𝜀2	8	4.25	0	0	0.0001^†	—	—

†Statistically significant; 𝑁: number of alleles; RR: relative risk; EF: etiological fraction; PF: preventive fraction.