Coauthorship and institutional collaborations on cost-effectiveness analyses: a systematic network analysis.

Background: Cost-Effectiveness Analysis (CEA) has been promoted as an important research methodology for determining the efficiency of healthcare technology and guiding medical decision-making. Our aim was to characterize the collaborative patterns of CEA conducted over the past two decades in Spain.

Methods And Findings: A systematic analysis was carried out with the information obtained through an updated comprehensive literature review and from reports of health technology assessment agencies.