Research Article

Variants of Interleukin-22 Gene Confer Predisposition to Autoimmune Thyroid Disease

Table 5

Allele and genotype frequencies of IL-22 SNPs with onset age and ophthalmopathy in AITD patients.

SNPOnset age of AITD patientsOphthalmopathy
≥19 (%)≤18 (%) value (OR/95% CI)Without (%)With (%) value (OR/95% CI)

rs2046068
 AA556 (63.91)66 (62.86)0.034547 (63.83)75 (63.56)0.758
 CC35 (4.02)10 (9.52)38 (4.43)7 (5.93)
 AC279 (32.07)29 (27.62)272 (31.74)36 (30.51)
 A1391 (79.94)161 (76.67)0.266 (0.824/0.586–1.159)1366 (79.70)186 (78.81)0.752 (0.948/0.679–1.323)
 C349 (20.06)49 (23.33)348 (20.30)50 (21.19)
rs2227478
 TT556 (63.91)66 (62.86)0.028547 (63.83)75 (63.56)0.719
 CC34 (3.91)10 (9.52)37 (4.32)7 (5.93)
 TC280 (32.18)29 (27.62)273 (31.85)36 (30.51)
 T1392 (80.00)161 (76.67)0.257 (0.821/0.584–1.155)1367 (79.75)186 (78.81)0.736 (0.944/0.676–1.318)
 C348 (20.00)49 (23.33)347 (20.25)50 (21.19)
rs2227485
 CC287 (32.99)28 (26.67)0.421279 (32.56)36 (30.51)0.904
 TT201 (23.10)26 (24.76)199 (23.22)28 (23.73)
 CT382 (43.91)51 (48.57)379 (44.22)54 (45.76)
 C956 (54.94)107 (50.95)0.273 (0.852/0.640–1.135)937 (54.67)126 (53.39)0.712 (0.950/0.723–1.248)
 T784 (45.06)103 (49.05)777 (45.33)110 (46.61)
rs1179251
 CC372 (42.76)55 (52.38)0.120368 (42.94)59 (50.00)0.116
 GG107 (12.30)8 (7.62)98 (11.44)17 (14.41)
 CG391 (44.94)42 (40.00)391 (45.62)42 (35.59)
 C1135 (65.23)152 (72.38)0.039 (1.397/1.016–1.920)1127 (65.75)160 (67.80)0.534 (1.097/0.820–1.466)
 G605 (34.77)58 (27.62)587 (34.25)76 (32.20)
rs11611206
 GG694 (79.77)88 (83.81)0.386696 (81.21)86 (72.88)0.023
 AA11 (1.26)0 (0)11 (1.28)0 (0)
 GA165 (18.97)17 (16.19)150 (17.51)32 (27.12)
 G1553 (89.25)193 (91.90)0.236 (1.367/0.814–2.296)1542 (89.96)204 (86.44)0.097 (0.711/0.474–1.066)
 A187 (10.75)17 (8.10)172 (10.04)32 (13.56)

. SNP: single nucleotide polymorphism; AITD: autoimmune thyroid disease; OR: odds ratio; CI: confidence interval.