Table 1

RA-associated SNP nominally associated with JIA (all JIA subtypes) (p≤0.05)

SNPCHRPositionGeneMinor alleleMajor alleleMAF casesMAF controlsHWE controlsCase 11 (%)Case 12 (%)Case 22 (%)Control 11 (%)Control 12(%)Control 22 (%)pTRENDOR 95% CI
rs42726261116149950NHLH2TC0.340.360.79517 (44.2)511 (43.7)142 (12.1)3264 (40.8)3702 (46.3)1035 (12.9)0.050.91 (0.83 to 1.00)
rs115862381117064661CD2GC0.260.240.48636 (54.4)455 (38.9)79 (6.8)4586 (57.3)2957 (37.0)456 (5.7)0.031.11 (1.01 to 1.23)
rs17735601165688387CD247GA0.380.420.48456 (39.2)520 (44.7)187 (16.1)2652 (33.4)3849 (48.5)1443 (18.2)0.00030.85 (0.78 to 0.93)
rs109195631196967065PTPRCAG0.090.130.92917 (83.0)171 (15.5)17 (1.5)5994 (75.3)1824 (22.9)137 (1.7)2.57×10−70.67 (0.58 to 0.78)
rs874040425717295RBPJGC0.330.300.62445 (44.4)451 (45.0)107 (10.7)3938 (48.7)3401 (42.0)754 (9.3)0.011.14 (1.03 to 1.26)
rs131197234123437763IL2_IL21GA0.130.160.24721 (76.0)204 (21.5)24 (2.5)5631 (71.0)2090 (26.3)214 (2.7)0.0040.81 (0.71 to 0.93)
rs10040327*555470977ANKRD55AC0.090.110.20825 (82.4)167 (16.7)9 (0.9)6417 (79.1)1583 (19.5)112 (1.4)0.010.81 (0.69 to 0.95)
rs262325102624619C5orf30TC0.290.330.35506 (50.4)417 (41.6)80 (8.0)3579 (45.0)3536 (44.5)831 (10.5)0.00030.83 (0.75 to 0.92)
rs104886317128381419IRF5CT0.130.110.47902 (76.5)257 (21.8)20 (1.7)4119 (79.6)1003 (19.4)54 (1.0)0.0091.20 (1.05 to 1.37)
rs2736340811381382BLKTC0.270.240.88522 (52.4)406 (40.8)68 (6.8)4631 (57.1)3002 (37.0)481 (5.9)0.0061.16 (1.04 to 1.28)
rs706778106138955IL2RATC0.450.400.80314 (31.4)479 (47.9)208 (20.8)2926 (36.1)3883 (47.9)1304 (16.1)5.61×10−51.21 (1.10 to 1.33)
rs28725071735294289ORMDL3AG0.520.480.75221 (23.2)474 (49.8)256 (26.9)2199 (27.3)4001 (49.7)1846 (22.9)0.00091.18 (1.07 to 1.29)
rs72340291812867060PTPN2GA0.190.160.33766 (65.5)362 (30.9)42 (3.6)5682 (71.1)2127 (26.6)182 (2.3)1.25×10−51.28 (1.15 to 1.43)
  • * r2=0.86 with rs6859219 the single-nucleotide polymorphism (SNP) genotyped in the study by Stahl et al.12

  • Case 11, case genotype counts and percentage of major allele homozygotes; Case 12, case genotype counts and percentage of heterozygotes; Case 22, case genotype counts and percentage of minor allele homozygotes; Control 11, control genotype counts and percentage of major allele homozygotes; Control 12, control genotype counts and percentage of heterozygotes; Control 22, control genotype counts and percentage of minor allele homozygotes, p value for deviation from HWE. CHR, chromosome; HWE, Hardy–Weinberg equilibrium; JIA, juvenile idiopathic arthritis; MAF, minor allele frequency; pTREND, p value for the Armitage test for trend as generated in PLINK; RA, rheumatoid arthritis.