Genotype and minor allele frequencies of SNP within IL6 gene in patients with SSc and healthy controls from Norway.

Genotype, n (%)Allele Test
CHRSNPLocus1/2Subgroup (n)1/11/22/2MAF, %p*pFDR**OR (95% CI)***
7rs2069827IL6G/TControls (260)213 (81.92)46 (17.69)1 (0.38)9.23
SSc (100)83 (83.00)16 (16.00)1 (1.00)9.000.920.970.97 (0.55–1.72)
lcSSc (67)52 (77.61)14 (20.90)1 (1.49)11.940.350.351.33 (0.73–2.43)
dcSSc (33)31 (93.94)2 (6.06)0 (0.00)3.030.090.150.31 (0.07–1.30)
ACA+ (54)44 (81.48)9 (16.67)1 (1.85)10.190.760.821.12 (0.56–2.23)
ATA+ (14)13 (92.86)1 (7.14)0 (0.00)3.570.310.310.36 (0.05–2.74)
7rs1800795IL6G/CControls (246)72 (29.27)126 (51.22)48 (19.51)45.12
SSc (99)27 (27.27)55 (55.56)17 (17.17)44.950.970.970.99 (0.71–1.38)
lcSSc (67)15 (22.39)37 (55.22)15 (22.39)50.000.320.351.22 (0.83–1.78)
dcSSc (32)12 (37.50)18 (56.25)2 (6.25)34.380.100.150.64 (0.37–1.10)
ACA+ (54)16 (29.63)26 (48.15)12 (22.22)46.300.820.821.05 (0.69–1.59)
ATA+ (14)7 (50.00)5 (35.71)2 (14.29)32.140.180.310.58 (0.26–1.30)
7rs2069840IL6C/GControls (260)118 (45.38)113 (43.46)29 (11.15)32.88
SSc (98)45 (45.92)43 (43.88)10 (10.20)32.140.850.970.97 (0.68–1.37)
lcSSc (65)35 (53.85)24 (36.92)6 (9.23)27.690.260.350.78 (0.51–1.20)
dcSSc (33)10 (30.30)19 (57.58)4 (12.12)40.910.190.191.41 (0.84–2.39)
ACA+ (53)27 (50.94)20 (37.74)6 (11.32)30.190.590.820.88 (0.56–1.39)
ATA+ (14)4 (28.57)8 (57.14)2 (14.29)42.860.280.311.53 (0.71–3.31)
  • * Values calculated for the allelic model.

  • ** Multiple testing false discovery rate correction.

  • *** For the minor allele. SNP: single-nucleotide polymorphism; IL: interleukin; SSc: systemic sclerosis; MAF: minor allele frequency.