TY - JOUR AU - Palmer, Ellen L. AU - Higgins, John AU - Hassanpour, Saeed AU - Sargent, James AU - Robinson, Christina M. AU - Doherty, Jennifer A. AU - Onega, Tracy PY - 2019 DA - 2019/07/25 TI - Assessing data availability and quality within an electronic health record system through external validation against an external clinical data source JO - BMC Medical Informatics and Decision Making SP - 143 VL - 19 IS - 1 AB - Approximately 20% of deaths in the US each year are attributable to smoking, yet current practices in the recording of this health risk in electronic health records (EHRs) have not led to discernable changes in health outcomes. Several groups have developed algorithms for extracting smoking behaviors from clinical notes, but none of these approaches were assessed with external data to report on anticipated clinical performance. SN - 1472-6947 UR - https://doi.org/10.1186/s12911-019-0864-2 DO - 10.1186/s12911-019-0864-2 ID - Palmer2019 ER -