Fig. 2From: Detecting change in comparison to peers in NHS prescribing data: a novel application of cumulative sum methodologyCCG examples. Graphs showing the measures for CCGs as shown on openprescribing.net (i), percentiles with alerts highlighted (ii) and the cumulative sum, with threshold values (iii). Examples are: a high-cost ace inhibitors in 99P, b topical treatment of fungal nail infections in 09Â J, c high dose inhaled corticosteroids in 07Â M, d antibiotic stewardship: volume of antibiotic prescribing (KTT9) in 09Â J. Increase alerts all lie above the reference percentile line, while decrease alerts all lie below itBack to article page