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Prototype Prescribing Outlier Dashboard for Kingsbury Court Surgery

At OpenPrescribing we are piloting a number of data-driven approaches to identify unusual prescribing and collect feedback on this prescribing to inform development of new tools to support prescribers and organisations to audit and review prescribing. These pilot results are provided for the interest of advanced users, although we don't know how relevant they are in practice. There is substantial variation in prescribing behaviours, across various different areas of medicine. Some variation can be explained by demographic changes, or local policies or guidelines, but much of the remaining variation is less easy to explain.

The DataLab is keen to hear your feedback on the results. You can do this by completing the following survey or emailing us at [email protected]. Please DO NOT INCLUDE IDENTIFIABLE PATIENT information in your feedback. All feedback is helpful, you can send short or detailed feedback.

This report has been developed to automatically identify prescribing patterns at a chemical level which are furthest away from “typical prescribing” and can be classified as an “outlier”. We calculate the number of prescriptions for each chemical in the BNF coding system, the count of all prescriptions within that chemical's BNF subparagraph, for prescriptions dispensed between June 2021 and December 2021. We then calculate the ratio of these counts along with the mean and standard deviation of those ratios across all Practices. From this we can calculate the “z-score”, which is a measure of how many standard deviations a given Practice is from the population mean. We then rank your “z-scores” to find the top 10 results where prescribing is an outlier for prescribing higher than its peers and those where it is an outlier for prescribing lower than its peers.

For each outlier chemical, a kernel density estimation plot of all Practice's chemical:subparagraph ratios is provided, with this Practice's ratio overlaid in red.

It is important to remember that this information was generated automatically and it is therefore likely that some of the behaviour is warranted. This report seeks only to collect information about where this variation may be warranted and where it might not, to inform research on this topic. Our full analytical method code is openly available on GitHub here.

This is a new, experimental feature. We'd love to .

Prescribing where Kingsbury Court Surgery is higher than most

BNF Chemical Chemical Items BNF Subparagraph Subparagraph Items Ratio Mean std Z_Score Plots
Chloramphenicol 1 Some other antibacterials 36 0.03 0.00 0.00 19.77
Chlohexidine gluconate (Emollient) 7 Emollients 474 0.01 0.00 0.00 9.05
Glycopyrronium/formoterol 5 Compound bronchodilator preparations 72 0.07 0.00 0.01 6.19
Dexamethasone sodium phosphate 1 Use of corticosteroids 503 0.00 0.00 0.00 5.35
Lacidipine 668 Calcium-channel blockers 4,440 0.15 0.01 0.03 5.07
Proguanil hydrochloride with atovaquone 1 Antimalarials 81 0.01 0.00 0.00 4.82
Acetylcysteine 186 Mucolytics 463 0.40 0.02 0.08 4.79
Mebeverine hydrochloride compound preparations 27 Antispasmodic and other drugs altering gut motility 261 0.10 0.01 0.02 4.71
Solifenacin/tamsulosin 49 Drugs for urinary retention 666 0.07 0.01 0.01 4.64
Meptazinol hydrochloride 81 Opioid analgesics 1,719 0.05 0.00 0.01 4.22

Prescribing where Kingsbury Court Surgery is lower than most

BNF Chemical Chemical Items BNF Subparagraph Subparagraph Items Ratio Mean std Z_Score Plots
Carbocisteine 277 Mucolytics 463 0.60 0.97 0.08 -4.48
Acamprosate calcium 0 Alcohol dependence 2 0.00 0.83 0.31 -2.69
    Carbimazole 44 Antithyroid drugs 62 0.71 0.93 0.10 -2.15
    Clobetasol propionate 25 Topical corticosteroids 908 0.03 0.08 0.03 -1.76
    Doxazosin mesilate 633 Alpha-adrenoceptor blocking drugs 661 0.96 0.99 0.02 -1.71
    Estradiol 18 Preparations for vaginal/vulval changes 87 0.21 0.55 0.20 -1.65
    Calcium carbonate 14 Calcium supplements 19 0.74 0.95 0.13 -1.63
    Benzydamine hydrochloride 16 Drugs for oral ulceration and inflammation 27 0.59 0.84 0.16 -1.57
    Other multivitamin preparations 34 Multivitamin preparations 68 0.50 0.82 0.21 -1.55
    Umeclidinium bromide/vilanterol 4 Compound bronchodilator preparations 72 0.06 0.50 0.30 -1.50