{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T17:45:38Z","timestamp":1777916738604,"version":"3.51.4"},"reference-count":37,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2011,3,10]],"date-time":"2011-03-10T00:00:00Z","timestamp":1299715200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Med Decis Making"],"published-print":{"date-parts":[[2012,1]]},"abstract":"<jats:p>Background. Difficulty identifying patients in need of colorectal cancer (CRC) screening contributes to low screening rates. Objective. To use Electronic Health Record (EHR) data to identify patients with prior CRC testing. Design. A clinical natural language processing (NLP) system was modified to identify 4 CRC tests (colonoscopy, flexible sigmoidoscopy, fecal occult blood testing, and double contrast barium enema) within electronic clinical documentation. Text phrases in clinical notes referencing CRC tests were interpreted by the system to determine whether testing was planned or completed and to estimate the date of completed tests. Setting. Large academic medical center. Patients. 200 patients \u226550 years old who had completed \u22652 non-acute primary care visits within a 1-year period. Measures. Recall and precision of the NLP system, billing records, and human chart review were compared to a reference standard of human review of all available information sources. Results. For identification of all CRC tests, recall and precision were as follows: NLP system (recall 93%, precision 94%), chart review (74%, 98%), and billing records review (44%, 83%). Recall and precision for identification of patients in need of screening were: NLP system (recall 95%, precision 88%), chart review (99%, 82%), and billing records (99%, 67%). Limitations. Small sample size and requirement for a robust EHR. Conclusions. Applying NLP to EHR records detected more CRC tests than either manual chart review or billing records review alone. NLP had better precision but marginally lower recall to identify patients who were due for CRC screening than billing record review.<\/jats:p>","DOI":"10.1177\/0272989x11400418","type":"journal-article","created":{"date-parts":[[2011,3,11]],"date-time":"2011-03-11T00:41:12Z","timestamp":1299804072000},"page":"188-197","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":55,"title":["Natural Language Processing Improves Identification of Colorectal Cancer Testing in the Electronic Medical Record"],"prefix":"10.1177","volume":"32","author":[{"given":"Joshua C.","family":"Denny","sequence":"first","affiliation":[{"name":"Division of General Internal Medicine and Public Health, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee (JCD, NNC, JFP, NBP)"},{"name":"Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee (JCD, JFP, RAM, LB)"},{"name":"Veterans 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(ML)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Josh F.","family":"Peterson","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine and Public Health, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee (JCD, NNC, JFP, NBP)"},{"name":"Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee (JCD, JFP, RAM, LB)"},{"name":"Veterans Administration, Tennessee Valley Healthcare System, Tennessee Valley Geriatric Research Education Clinical Center (GRECC), Nashville, Tennessee (NNC, JFP)"},{"name":"Department of Biostatistics, Vanderbilt University, Nashville, Tennessee (ML)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Randolph A.","family":"Miller","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine and Public Health, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee (JCD, NNC, JFP, 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