Developing a Long COVID Phenotype for Postacute COVID-19 in a National Primary Care Sentinel Cohort: Observational Retrospective Database Analysis.
Nikhil MayorBernardo Meza-TorresCecilia OkusiGayathri DelanerolleMartin D ChapmanWenjuan WangSneha N AnandMichael D FeherJack MacartneyRachel ByfordMark P JoyPiers GatenbyVasa CurcinTrisha GreenhalghBrendan C DelaneySimon de LusignanPublished in: JMIR public health and surveillance (2022)
Our LC phenotype enables the identification of individuals with the condition in routine data sets, facilitating their comparison with unaffected people through retrospective research. This phenotype and study protocol to explore its face validity contributes to a better understanding of LC.
Keyphrases
- coronavirus disease
- primary care
- sars cov
- cross sectional
- study protocol
- randomized controlled trial
- simultaneous determination
- clinical trial
- mass spectrometry
- quality improvement
- electronic health record
- emergency department
- clinical practice
- machine learning
- liquid chromatography
- open label
- solid phase extraction
- adverse drug
- general practice
- high resolution mass spectrometry
- data analysis
- tandem mass spectrometry