Sociodemographic and Clinical Variables Related to the Overburden of the Informal Caregivers of Patients Hospitalized for Chronic Obstructive Pulmonary Disease Exacerbations.

The variables associated with overburden are easily accessible in patient medical records, or can be obtained by interviewing patients or their relatives. This information would allow to detect and assess the overburden of informal caregivers to provide an early warning of this problem.