From: Lack of replication of interactions between polymorphisms in rheumatoid arthritis susceptibility: case–control study
GSTM1/SE
Anti-CCP+/anti-CCP−(n)
OR (95% CI)
Native/SE−
84/79
Reference
Null/SE−
90/74
1.14 (1.77 to 0.74)
Native/SE+
130/54
2.26 (1.46 to 3.52)
Null/SE+
148/62
2.25 (1.46 to 3.44)