Inflammatory bowel disease registries for collection of patient iron parameters in Europe

Figure 2 Collection and flow of data between existing healthcare registries to support various outcomes for multiple stakeholders. Solid line: flow of patient-level data; dashed line: flow of pseudo-anonymized data; dash-dot line: flow of aggregated anonymized data; block arrows, overall and relationships between implications. IBD: Inflammatory bowel disease; IDA: Iron deficiency anemia.