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Fig. 3 | BMC Medical Informatics and Decision Making

Fig. 3

From: Detecting change in comparison to peers in NHS prescribing data: a novel application of cumulative sum methodology

Fig. 3

Practice examples. Graphs showing the measures for practices as shown on (i), percentiles with alerts highlighted (ii) and the cumulative sum, with threshold values (iii). Examples are: a Cerazette vs. desogestrel in N85051, b glaucoma eye drops prescribed by brand in J83041, c high-cost statins in N82073, d non-preferred NSAIDs and COX-2 inhibitors (KTT13) in Y02735. Increase alerts all lie above the reference percentile line, while decrease alerts all lie below it

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