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

Genotype, n (%)Allele Test
CHRSNPLocus1/2Subgroup (n)1/11/22/2MAF, %p*pFDR**OR (95% CI)***
7rs2069827IL6G/TControls (596)529 (88.76)63 (10.57)4 (0.67)5.96
SSc (374)329 (87.97)45 (12.03)0 (0.00)6.020.960.961.01 (0.69–1.49)
lcSSc (254)229 (90.16)25 (9.84)0 (0.00)4.920.400.600.82 (0.51–1.31)
dcSSc (120)100 (83.33)20 (16.67)0 (0.00)8.330.170.511.44 (0.86–2.41)
ACA+ (90)79 (87.78)11 (12.22)0 (0.00)6.110.930.931.03 (0.53–1.98)
ATA+ (102)89 (87.25)13 (12.75)0 (0.00)6.370.820.451.08 (0.58–1.98)
7rs1800795IL6G/CControls (585)246 (42.05)258 (44.10)81 (13.85)35.90
SSc (375)152 (40.53)179 (47.73)44 (11.73)35.600.890.960.99 (0.82–1.20)
lcSSc (254)102 (40.16)125 (49.21)27 (10.63)35.240.800.800.97 (0.78–1.21)
dcSSc (121)50 (41.32)54 (44.63)17 (14.05)36.360.890.891.02 (0.77–1.36)
ACA+ (92)36 (39.13)49 (53.26)7 (7.61)34.240.660.930.93 (0.67–1.29)
ATA+ (102)48 (47.06)43 (42.16)11 (10.78)31.860.270.450.84 (0.61–1.15)
7rs2069840IL6C/GControls (578)204 (35.29)277 (47.92)97 (16.78)40.74
SSc (367)149 (40.60)181 (49.32)37 (10.08)34.740.010.030.77 (0.64–0.94)
lcSSc (248)106 (42.74)118 (47.58)24 (9.68)33.470.010.020.73 (0.59–0.91)
dcSSc (119)43 (36.13)63 (52.94)13 (10.92)37.390.340.510.87 (0.65–1.16)
ACA+ (88)35 (39.77)46 (52.27)7 (7.95)34.090.090.280.75 (0.54–1.05)
ATA+ (103)40 (38.83)50 (48.54)13 (12.62)36.890.300.820.85 (0.63–1.16)
  • * 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.