Table 2. Allelic and genotypic frequencies in control and AA patients.

Gene	SNP	Allele/genotype	AA patients n (%)	Contro n (%)	p-value
IL16	rs17875486	C	192 (63.2)	177 (59.8)	0.39
		T	112 (36.8)	119 (40.2)
		CC	65 (42.8)	52 (35.1)	0.30
		CT	62 (40.8)	73 (49.3)
		TT	25 (16.4)	23 (15.5)
	rs17875491	G	232 (76.8)	229 (77.9)	0.87
		C	70 (23.2)	65 (22.1)
		CC	12 (7.9)	4 (2.7)	0.06
		GC	46 (30.3)	57 (38.8)
		GG	93 (61.2)	86 (58.5)
	rs11073001	A	225 (74.0)	206 (70.5)	0.01
		G	79 (26.0)	86 (29.5)
		AA	89 (58.6)	76 (52.1)	0.50
		AG	47 (30.9)	54 (37.0)
		GG	16 (10.5)	16 (11.0)
	rs1803275	G	287 (95.0)	277 (93.6)	0.24
		A	15 (5.0)	19 (6.4)
		AA	1 (0.7)	1 (0.7)	0.71
		GA	13 (8.6)	17 (11.5)
		GG	137 (90.1)	130 (87.8)
IL18	rs187238	C	232 (76.8)	224 (74.0)	0.45
		G	70 (23.2)	78 (26.0)
		CC	91 (59.9)	86 (57.3)	0.66
		CG	50 (32.9)	50 (33.3)
		GG	10 (6.6)	14 (9.3)
	rs1946518	G	178 (58.6)	167 (56.8)	0.64
		T	126 (41.4)	127 (43.2)
		GG	50 (32.9)	47 (32.0)	0.84
		GT	78 (51.3)	73 (49.7)
		TT	24 (15.8)	27 (18.4)
	rs549908	T	230 (76.2)	220 (74.8)	0.21
		G	72 (23.8)	74 (25.2)
		GG	10 (6.6)	12 (8.2)	0.88
		TG	52 (34.2)	50 (34.0)
		TT	89 (58.6)	85 (57.8)
IL12B	rs3212227	T	204 (67.1)	205 (69.3)	0.69
		G	100 (32.9)	91 (30.7)
		GG	18 (11.8)	14 (9.5)	0.79
		TG	64 (42.1)	63 (42.6)
		TT	70 (46.1)	71 (48.0)
IL13	rs848	C	227 (75.7)	213 (72.4)	0.07
		A	73 (24.3)	81 (27.6)
		AA	13 (8.6)	13 (8.8)	0.52
		AC	47 (30.9)	55 (37.4)
		CC	90 (59.2)	79 (53.7)
IL17A	rs2275913	G	215 (70.7)	219 (74.5)	0.53
		A	89 (29.3)	75 (25.5)
		AA	15 (9.9)	13 (8.8)
		GA	59 (38.8)	49 (33.3)
		GG	78 (51.3)	85 (57.8)

AA: Alopecia areata; SNP: single nucleotide polymorphism.