MTR and coronary artery disorder: Additionally, the genetic polymorphism of MTR gene at rs2275565 was significantly associated with the higher risk of CHD (GT vs. GG: aOR = 1.52, 95% CI 1.15–1.20; TT vs.GG: aOR = 4.93, 95% CI 1.93–12.58; the dominant model: aOR = 1.66, 95% CI 1.27–2.17; the recessive model: aOR = 4.41, 95% CI 1.73–11.22; the addictive model: aOR = 1.68, 95% CI 1.32–2.13).