MGMT and gastric neoplasm: In a separate analysis, there was a significant association of MGMT promoter hypermethylation with lymph node (LN) metastasis of gastric tumor (OR = 1.56, CI = 1.14–2.13, P < .05), especially in Asians (OR = 1.64, CI = 1.18–2.29, P < .05).