ALB and chronic obstructive pulmonary disease: The following five variables were found to be important predictors of patients having at least two COPD exacerbations within one year: (1) employment status; (2) body mass index (BMI); (3) number of previous surgeries; (4) index of admission albumin level; and (5) whether there was administration of Azithromycin with Ceftriaxone during the IA.