[Resource use and healthcare costs in long-term breast cancer survivors (CONCEPT-COSTS)]

To analyze the use of resources and healthcare costs of a cohort of long-term survivors of breast cancer in four autonomous communities in Spain (Aragon, Catalonia, Madrid and Navarre) by assessing their pathways in the National Health System.

Patient pathways were analyzed based on their interactions with the National Health System between 2012 and 2016. Healthcare pathways were obtained from the CONCEPT project and were use to examine resource use, associated costs, and to analyze potential differences between cohorts and regions. A total of 18,527 women were included, of whom 6115 were long-term survivors of breast cancer and 12,412 formed the control group, consisting of women with no history of the disease, matched by age and healthcare area with the survivors. Regression models were applied to analyze factors associated with the cost of trajectories.

Long-term survivors of breast cancer had a higher use of healthcare resources, and a higher number of comorbidity and drug use compared to the control group, with statistically significant differences. Costs were also higher for survivors, especially in outpatient clinics. Factors such as the number of drugs, comorbidity and the Charlson index were identified as the main factors associated with higher healthcare costs in both groups.

This study identified the costs of healthcare pathways in long-term breast cancer survivors and suggests that the methodology used could help healthcare professionals allocate resources more efficiently.