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

Table 2

Apolipoprotein E genotypes frequencies in psoriasis patients and matched controls.

Genotype	Psoriasis (𝑁=94)		Control (𝑁=200)		𝑃 value	RR	EF*/PF
	𝑁	Freq. %	𝑁	Freq. %
𝜀3/𝜀3	66	70.21	183	91.50	0.0001^†	0.219	0.486
𝜀3/𝜀4	20	21.28	17	8.50	0.0040^†	2.910	0.354*
𝜀3/𝜀2	8	8.51	0	0	0.0001^†	—	—
𝜀2/𝜀4	0	0	0	0	—	—	—
𝜀2/𝜀2	0	0	0	0	—	—	—
𝜀4/𝜀4	0	0	0	0	—	—	—

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