In univariate Cox regression, age, the presence of AMI, liver cirrhosis, COPD, CKD, atrial fibrillation, acute respiratory failure and AKI, the decreased level of fibrinogen, hemoglobin, albumin, platelet and sodium, increased level of creatine, bilirubin, potassium, sodium, PT, and APTT were considered risk factors for inhospital mortality. The gene discussed is ALB; the disease is acute kidney injury.