ALB and Alzheimer disease: It is possible that the majority of AD patients in our study had pre-ACLF or UDC rather than SDC, which might be supported by findings that the levels of white blood cells, bilirubin, INR, albumin, creatinine, CTP score and MELD score in our study were close to the average level in the pre-ACLF and UDC groups from the PREDICT study [35].