In addition, Vijay et al. (17) showed that plasmatic cystatin C level had the highest diagnostic reliability of AKI among children with liver cirrhosis, especially in those with decompensation or spontaneous bacterial peritonitis; it was also a reliant predictor of AKI in the pediatric population with liver cirrhosis, identifying AKI at an early stage. This evidence concerns the gene CST3 and cirrhosis of liver.