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Table 1 Smoking status and lung cancer screening eligibility identification in the EHR using an informatics pipeline

From: Assessing data availability and quality within an electronic health record system through external validation against an external clinical data source

Concordance between NHCR reported status and smokers’ registry status
 Pipeline: Clinical notes only (n = 252)Pipeline and Semi-structured (n = 400)Ever smoker vs. Never smoker (n = 403)
Cohen’s Kappa0.560.620.59
Concordance63.9%67.8%83.6%
  1. Summary statistics for smoking status detection using the informatics pipeline on clinical notes only, the pipeline merged with semi-structured data, and the merged pipeline with semi-structure data simplified to ever smoker vs. never smoker