Validated methods for identifying tuberculosis patients in health administrative databases: systematic review
OBJECTIVE: To summarise validated methods for identifying TB in health administrative databases.
METHODS: We conducted a systematic literature search in two databases (Ovid Medline and Embase, January 1980–January 2016). We limited the search to diagnostic accuracy studies assessing algorithms derived from drug prescription, International Classification of Diseases (ICD) diagnostic code and/or laboratory data for identifying patients with TB in health administrative databases.
RESULTS: The search identified 2413 unique citations. Of the 40 full-text articles reviewed, we included 14 in our review. Algorithms and diagnostic accuracy outcomes to identify TB varied widely across studies, with positive predictive value ranging from 1.3% to 100% and sensitivity ranging from 20% to 100%.
CONCLUSIONS: Diagnostic accuracy measures of algorithms using out-patient, in-patient and/or laboratory data to identify patients with TB in health administrative databases vary widely across studies. Use solely of ICD diagnostic codes to identify TB, particularly when using out-patient records, is likely to lead to incorrect estimates of case numbers, given the current limitations of ICD systems in coding TB.
Keywords: TB; diagnostic accuracy; non-tuberculous mycobacterial infection; positive predictive value; secondary data
Document Type: Research Article
Affiliations: 1: Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Division of Respiratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, Vancouver 2: Centre for Health Evaluation and Outcome Sciences, St Paul's Hospital, Vancouver, Collaboration for Outcomes Research and Evaluation, University of British Columbia, Vancouver 3: Division of Respiratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, Vancouver, Institute for Heart and Lung Health, University of British Columbia, Vancouver, British Columbia 4: Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Respiratory Epidemiology and Clinical Research Unit, McGill University Health Centre, Montreal 5: Department of Family Medicine, McGill University, Montreal, Quebec, Canada 6: Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec
Publication date: 01 May 2017
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