Methods of defining hypertension in electronic medical records: validation against national survey data

Conclusions
Different definitions should be used for different study purposes. The definition of ‘diagnosis code or two abnormal blood pressure records with a 2-year period’ could be used for hypertension surveillance in THIN.

Source: Journal of Public Health - October 18, 2016 Category: Health Management Authors: Peng, M., Chen, G., Kaplan, G. G., Lix, L. M., Drummond, N., Lucyk, K., Garies, S., Lowerison, M., Weibe, S., Quan, H. Tags: Original article Source Type: research