Supplementary Table 2. Meta-analysis for the TNFRSF1Brs1061622 polymorphism and risk of developing RA. Polymorphism : rs1061622 (M196R) Fixed effects ( Mantel-Haenszel ) meta-analysis Genetic model : RR+MR vs. MM (dominant) Authors Arlestig L Dahlqvist SR Fabris M Ghelani AM Potter C Barton A Plenge RM Canet LM PMID Population 18173921 12428254 12233877 20401725 16059898 11212177 16380915 - Sweden Sweden Italy UK UK UK Sweden European RA( RR+MR vs. MM) Control( RR+MR vs. MM) 189/278 70/99 68/107 85/42 79/101 136/104 624/834 475/851 292/377 69/114 27/57 72/68 59/71 63/74 381/472 403/732 OR ( 95% CI ) 0.878 (0.691, 1.116) 1.168 (0.762, 1.792) 1.342 (0.774, 2.325) 1.911 (1.163, 3.14) 0.941 (0.598, 1.482) 1.536 (1.007, 2.342) 0.927 (0.782, 1.099) 1.014 (0.859, 1.196) Polymorphism : rs1061622 (M196R) Fixed effects ( Mantel-Haenszel ) meta-analysis Authors Arlestig L Dahlqvist SR Fabris M Ghelani AM Potter C Barton A Plenge RM Canet LM PMID Population 18173921 12428254 12233877 20401725 16059898 11212177 16380915 - Sweden Sweden Italy UK UK UK Sweden European Genetic model : RR vs. MM+MR (recessive) RA( RR+MR vs. MM) Control( RR+MR vs. MM) OR ( 95% CI ) 30/437 10/159 8/167 18/109 8/172 29/211 84/1374 66/1260 Dominant model: Summary OR (Mantel-Haenszel)=1.02 95%CI (0.929-1.121), P-value=0.6743. Test of heterogeneity: (1) Cochran Q test: Q=13.95, df=7, P-value=0.0521. (2) Woolf’s test: X^2 = 13.95, df = 7, P-value = 0.0521. (3) I^2 statistic: I^2 [95% CI]=49.82% [0%-77.59%]. Recessive model: Summary OR (Mantel-Haenszel)=1.09 95%CI (0.898-1.333), P-value=0.3706. Test of heterogeneity: (1) Cochran Q test: Q=14.41, df=7, P-value=0.0444. (2) Woolf’s test: X^2 = 14.41, df = 7, P-value = 0.0454. (3) I^2 statistic: I^2 [95% CI]=51.42% [0%-78.23%]. 45/624 8/175 1/83 7/133 5/125 7/130 61/792 54/1081 0.952 (0.59, 1.535) 1.376 (0.53, 3.572) 3.976 (0.489, 32.323) 3.138 (1.264, 7.787) 1.163 (0.372, 3.639) 2.552 (1.087, 5.995) 0.794 (0.564, 1.116) 1.049 (0.725, 1.516)