MDK and cirrhosis of liver: In addition, serum MDK was not significantly higher in the liver cirrhosis group than that in healthy group (0.15 versus 0.125 ng/mL; P = 1.559), in contrast to serum AFP which was significantly elevated in the liver cirrhosis group when compared to healthy group (17.5 versus 1 ng/mL; P = 0.0001).