However, the KRAS G12/G13 mutations with AF‰ < 1 were associated with AF in the same range only for KRAS Q61 (RR1 = 1.695) and NRAS G12/G13 (RR1 = 1.714 and RR3 = 1.438) mutations. The gene discussed is NRAS; the disease is atrial fibrillation.