Fig. 1
From: PrAna: an R package to calculate and visualize England NHS primary care prescribing data
Data aggregation: Data aggregation and normalisation flow chart describing how API, strength, medicinal form, GP surgery name were matched to the BNF code in the NHS Prescription dataset. Examples of the matched API are given in the table. The first example shows the BNF code matching to one API and prescribed as a capsule, and second one shows the matching to two different APIs and prescribed as a tablet