Fig. 4From: Estimating medication adherence from Electronic Health Records: comparing methods for mining and processing asthma treatment prescriptionsCorrelation Matrix of adherence measures matched by period: (A) all of follow-up, (B) calendar year, (C) calendar quarter-year. Note: CMAs 1–4 are measures of medication acquisition while CMAs 5–8 are measures of medication availability. For the latter, the subscript denotes the oversupply handling approach: Discarding all remaining medication, Retaining all remaining medication, Capping the amount of remaining medicationBack to article page