NME1 and neoplasm: Only in GC and CRC, increased NME1 expression was significantly associated with well tumor differentiation (OR = 0.34, 95%CI:0.23–0.50, P<0.00001, I2 = 0%, Ph = 0.48 and OR = 0.67, 95%CI:0.47–0.93, P = 0.02, I2 = 65%, Ph = 0.003, respectively.