STAT4 and rheumatoid arthritis: The minor allele of this SNP, in addition to three others in intron 3 of STAT4, was also associated with rheumatoid arthritis in the Korean population (P = 0.0065, OR 1.27 [95% CI 1.11–1.45]) [25] and with primary Sjögren's syndrome in a small study (P = 0.01, OR 1.47 [95% CI 1.09–1.97]) [26].