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. Author manuscript; available in PMC: 2009 Sep 14.
Published in final edited form as: J Acquir Immune Defic Syndr. 2008 Apr 15;47(5):615–622. doi: 10.1097/QAI.0b013e318165dc25

FIGURE 2.

FIGURE 2

Form used to calculate patient adherence. The form utilizes pill counts (A and G) and pharmacy records (B) to determine the percentage of doses taken out of the number of doses prescribed for a given interval of time for a particular drug regimen. The lowest adherence percentage calculated for a single review was considered as a conservative estimate of a patient’s overall adherence. In this example, adherence was calculated for a 30-day period between clinic visits, and overall adherence for this period would be considered 70%. NVP indicates nevirapine; 3TC, lamivudine; ZDV, zidovudine.