ArticleBJGP open2024
Glaucoma treatment and deprivation: time-series analysis of general practice prescribing in England.
Article in BJGP open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
backgroundDespite advances in glaucoma management, topical eyedrop treatment has been paramount, with prostaglandin analogues (PGAs) being first-line agents. While late presentation is linked with deprivation, there is no recent research examining associations between deprivation and prescribing within primary care.
aimTo explore PGA prescribing in general practice over a 6-year timeline, assessing associations with deprivation. DESIGN &
settingAnalysis of NHS Business Services Authority (NHSBSA) data for general practice prescribing in England from April 2016-March 2022.
methodGlaucoma treatments by GP prescribers were extracted, identifying ~9.11-9.58 million prescriptions/annum. Data were linked to Index of Multiple Deprivation (IMD) quintiles of GP practices. Crude rates per 1000 population were calculated using population data from NHS Digital. Time-series analyses facilitated comparison in prescribing nationally and in deprived areas. Autoregressive Integrated Moving Average (ARIMA) modelling facilitated measurement of synchrony between time series using cross correlation.
resultsPGAs and fixed combination eyedrops accounted for approximately two-thirds of glaucoma-related prescribing. Prescriptions per month increased slightly over a 6-year timeline, but rates per 1000 population reduced in 2020-2021 during the COVID-19 pandemic. The number of PGA prescriptions dispensed in deprived areas was lower than all other quintiles. Cross-correlation analysis indicates a lag of ~12 months between average PGA prescribing nationally versus more deprived areas.
conclusionThe rate of PGA prescribing in primary care was substantially lower in deprived versus affluent areas, with delayed uptake of PGAs in more deprived areas of ~12 months. Further research is needed to explore reasons for this discrepancy, permitting strategies to be developed to reduce unwarranted variation.
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