Baseline and longitudinal measures of continuity of primary care and COPD-related service utilisation: a cohort study using Korean National Health Insurance Service claims data
Abstract Objectives To compare baseline, cluster-based and trajectory-based classifications of continuity of primary care (COC) and to examine their associations with chronic obstructive pulmonary disease (COPD)-related hospitalisation and emergency department (ED) visits. Design Population-based retrospective cohort s...