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Otitis Media

Victoria Palin, Anna Molter, Miguel Belmonte, Darren M Ashcroft, Andrew White, William Welfare, Tjeerd van Staa

ID
PH901
Version ID
1881
Type
Disease or Syndrome
Data Sources
Valid event data range
01/01/2000 - 30/06/2015
Sex
♀  Female ♂  Male
Agreement Date
2019-04-30
Coding system
Read codes v2
Collections
ClinicalCodes Repository Phenotype Library
Tags
No tags

Definition

Objectives:

To examine variations across general practices and factors associated with antibiotic prescribing for common infections in UK primary care to identify potential targets for improvement and optimization of prescribing.

Methods:

Oral antibiotic prescribing for common infections was analysed using anonymized UK primary care electronic health records between 2000 and 2015 using the Clinical Practice Research Datalink (CPRD). The rate of prescribing for each condition was observed over time and mean change points were compared with national guideline updates. Any correlation between the rate of prescribing for each infectious condition was estimated within a practice. Predictors of prescribing were estimated using logistic regression in a matched patient cohort (1:1 by age, sex and calendar time).

Results:

Over 8 million patient records were examined in 587 UK general practices. Practices varied considerably in their propensity to prescribe antibiotics and this variance increased over time. Change points in prescribing did not reflect updates to national guidelines. Prescribing levels within practices were not consistent for different infectious conditions. A history of antibiotic use significantly increased the risk of receiving a subsequent antibiotic (by 22%–48% for patients with three or more antibiotic prescriptions in the past 12months), as did higher BMI, history of smoking and flu vaccinations. Other drivers for receiving an antibiotic varied considerably for each condition.

Conclusions:

Large variability in antibiotic prescribing between practices and within practices was observed. Prescribing guidelines alone do not positively influence a change in prescribing, suggesting more targeted interventions are required to optimize antibiotic prescribing in the UK.

Publications

  • Victoria Palin, Anna Molter, Darren M Ashcroft, Andrew White, William Welfare, Tjeerd van Staa, Antibiotic prescribing for common infections in UK general practice variability and drivers. Journal of Antimicrobial Chemotherapy, 74:2440-2450, 2019.

Clinical Code List

Rows: 45
Code Description Entity type Category Coding System (Read)
A552.00 Postmeasles otitis media res70: Otitis media diagnostic Read
F51..00 Nonsuppurative otitis media + eustachian tube disorders res70: Otitis media diagnostic Read
F510.00 Acute non suppurative otitis media res70: Otitis media diagnostic Read
F510000 Acute otitis media with effusion res70: Otitis media diagnostic Read
F510011 Acute secretory otitis media res70: Otitis media diagnostic Read
F510100 Acute serous otitis media res70: Otitis media diagnostic Read
F510200 Acute mucoid otitis media res70: Otitis media diagnostic Read
F510300 Acute sanguinous otitis media res70: Otitis media diagnostic Read
F510z00 Acute nonsuppurative otitis media NOS res70: Otitis media diagnostic Read
F511.00 Chronic otitis media with effusion, serous res70: Otitis media diagnostic Read
F511.11 Chronic secretory otitis media, serous res70: Otitis media diagnostic Read
F511z00 Chronic serous otitis media NOS res70: Otitis media diagnostic Read
F512.00 Chronic otitis media with effusion, mucoid res70: Otitis media diagnostic Read
F512.11 Glue ear res70: Otitis media diagnostic Read
F512.12 Chronic secretory otitis media, mucoid res70: Otitis media diagnostic Read
F512000 Glue ear, unspecified res70: Otitis media diagnostic Read
F512z00 Chronic mucoid otitis media NOS res70: Otitis media diagnostic Read
F513.00 Chronic otitis media with effusion, other res70: Otitis media diagnostic Read
F513100 Chronic otitis media with effusion, purulent res70: Otitis media diagnostic Read
F513111 Chronic secretory otitis media, purulent res70: Otitis media diagnostic Read
F514.00 Unspecified nonsuppurative otitis media res70: Otitis media diagnostic Read
F514100 Serous otitis media NOS res70: Otitis media diagnostic Read
F514200 Catarrhal otitis media NOS res70: Otitis media diagnostic Read
F514300 Mucoid otitis media NOS res70: Otitis media diagnostic Read
F514z00 Nonsuppurative otitis media NOS res70: Otitis media diagnostic Read
F515.00 Eustachian tube salpingitis res70: Otitis media diagnostic Read
F515.11 Catarrh - eustachian res70: Otitis media diagnostic Read
F52..00 Suppurative and unspecified otitis media res70: Otitis media diagnostic Read
F520.00 Acute suppurative otitis media res70: Otitis media diagnostic Read
F520000 Acute suppurative otitis media tympanic membrane intact res70: Otitis media diagnostic Read
F520100 Acute suppurative otitis media tympanic membrane ruptured res70: Otitis media diagnostic Read
F520300 Acute suppurative otitis media due to disease EC res70: Otitis media diagnostic Read
F520z00 Acute suppurative otitis media NOS res70: Otitis media diagnostic Read
F521.00 Chronic suppurative otitis media, tubotympanic res70: Otitis media diagnostic Read
F522.00 Chronic suppurative otitis media, atticoantral res70: Otitis media diagnostic Read
F523.00 Chronic suppurative otitis media NOS res70: Otitis media diagnostic Read
F524.00 Purulent otitis media NOS res70: Otitis media diagnostic Read
F524000 Bilateral suppurative otitis media res70: Otitis media diagnostic Read
F525.00 Recurrent acute otitis media res70: Otitis media diagnostic Read
F526.00 Acute left otitis media res70: Otitis media diagnostic Read
F527.00 Acute right otitis media res70: Otitis media diagnostic Read
F528.00 Acute bilateral otitis media res70: Otitis media diagnostic Read
F52z.00 Otitis media NOS res70: Otitis media diagnostic Read
F52z.11 Infection ear res70: Otitis media diagnostic Read
SN30.11 Aero-otitis media res70: Otitis media diagnostic Read

API

To Export Phenotype Details:

Format API
XML site_root/api/v1/public/phenotypes/PH901/version/1881/detail/?format=xml
JSON site_root/api/v1/public/phenotypes/PH901/version/1881/detail/?format=json
R Package

# Download here

library(ConceptLibraryClient)


# Connect to API

client = connect_to_API(public=TRUE)


# Get details of phenotype

details = get_phenotype_detail_by_version('PH901', '1881', api_client=client)

To Export Phenotype Code List:

Format API
XML site_root/api/v1/public/phenotypes/PH901/version/1881/export/codes/?format=xml
JSON site_root/api/v1/public/phenotypes/PH901/version/1881/export/codes/?format=json
CSV site_root/phenotypes/PH901/version/1881/export/codes/
R Package

# Download here

library(ConceptLibraryClient)


# Connect to API

client = connect_to_API(public=TRUE)


# Get codelists of phenotype

codelists = get_phenotype_code_list('PH901', '1881', api_client=client)

Version History

Version
ID
Name Owner Publish date
1881 Otitis Media ieuan.scanlon 2022-04-04 currently shown

Export - export all codes into a csv file/JSON/XML for the current phenotype version.

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