NOS3 and atrial fibrillation: For, NOS3 rs891512, SBP decreased by −30.4 mmHg (P = 6.4E‐04) and DBP decreased by −16.3 mmHg (P = 9.7E‐05); rs867225, SBP decreased by −17.5 mmHg (P = 6.5E‐04) and DBP decreased by −11.7 mmHg (P = 2.7E‐05); rs743507, SBP decreased by −21.3 mmHg (P = 2.6E‐06); rs41483644, SBP decreased by −33.7 mmHg (P = 2.4E‐04) and DBP decreased by −17.6 mmHg (P = 1.6E‐03); rs3730009, DBP decreased by −11.9 mmHg (P = 2.6E‐04); and rs77325852, DBP decreased by −11.1 mmHg (P = 5.6E‐04) among AF but not Caucasians.