Qatari individuals, on the other hand, showed the highest AF in risk variants of Furin (T, rs4932178, 0.3763), ICAM3 (C, rs2304237, 0.3141), and IFN-γ (A, rs2430561, 0.5167) in comparison to all other populations. The gene discussed is ICAM3; the disease is atrial fibrillation.