ALB and hypertensive disorder: Survival analysis showed that the risk of death was significantly increased in patients with upper respiratory symptoms, headache, hypertension, pulmonary comorbidities, lymphocyte count less than 1.1, platelet count lower than 100, C-reactive protein greater than 40 mg/L, serum albumin lower than 35g/L, and serum urea nitrogen more than 8 mmol/L.