INS and diabetes mellitus: Likewise, the last published review [6] indicated that in the diabetes population, the problem of rehospitalization is complex because the risk factors of readmission can be related to the patient’s medical condition such as certain comorbidities, abnormal laboratory values, inpatient hypoglycemia, hyperglycemia and glucose variability, low exercise capacity, as well as factors not related to the patient’s medical condition such as insurance type, insulin treatment, length of hospitalization, and history of admissions.