Fig. 1From: Assessing data availability and quality within an electronic health record system through external validation against an external clinical data sourceData Availability and Linkage Process. Information sources utilized to assess the quality of the informatics pipeline for smoking behavior data. a Breakdown of information captured by the informatics pipeline b Breakdown of information from the semi-structured EHR fields c Breakdown of information from the NHCR and d Workflow of the information sources utilized, and how they relate to each other. Abbreviations: Electronic Health Record (EHR), New Hampshire Colonoscopy Registry (NHCR), Pack years (PY)Back to article page