Clustering Complex Chronic Patients: A Cross-Sectional Community Study From the General Practitioner's Perspective.

Objective: Characterize subgroups of Complex Chronic Patients (CCPs) with cluster analysis from the general practitioner's perspective.

Study Design: Cross-sectional population-based study.

Setting: Three Primary Care urban centres for a reference population of 43,647 inhabitants over 14 years old in Sabadell, Catalonia, Spain.