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A comparison between antihypertensive medication adherence and treatment intensification as potential clinical performance measures

BACKGROUND: Medication adherence and treatment intensification have been advocated as performance measures to assess the quality of care provided. Whereas previous studies have shown that adherence and treatment intensification (TI) of antihypertensive medications is associated with blood pressure (BP) control at the patient level, less is known about whether adherence and TI is associated with BP control at the clinic level. METHODS AND RESULTS: We included 162 879 patients among 89 clinics in the Cardiovascular Research Network Hypertension Registry with incident hypertension who were started on antihypertensive medications. Adherence was measured by the proportion of days covered (PDC). TI was defined by the standard based method with scores ranging between -1 to 1 and categorized as: -1 indicated no TI occurred when BP was elevated; 0 indicated TI occurred when BP was elevated; and 1 indicated that TI was made at all visits, even when BP was not elevated. Logistic regression models assessed the association between adherence and TI with blood pressure control (BP

Authors: Vigen R; Shetterly S; Magid DJ; O'Connor PJ; Margolis KL; Schmittdiel J; Ho PM

Circ Cardiovasc Qual Outcomes. 2012 May;5(3):276-82. Epub 2012 May 10.

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