Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study

Meza-Torres, B; Delanerolle, G; Okusi, C; Mayor, N; Anand, S; Macartney, J; Gatenby, P; Glampson, B; Chapman, M; Curcin, V; Mayer, E; Joy, M; Greenhalgh, T; Delaney, B; de Lusignan, S

COVID-19 Collection

Journal article

Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study

Abstract:: BACKGROUND: Some of those infected with SARS-CoV-2 suffer from post-COVID syndrome (PCS). However, an uniform definition of PCS is lacking, causing uncertainty about the prevalence and nature of this syndrome. We aimed to improve understanding of PCS by operationalizing different classifications and to explore clinical subtypes.METHODS: We used data from Nivel Primary Care database from 2019-2020 which consists of electronic health records (EHR) from general practices (GPs) combined with sociodemographic data for n = 10,313 individuals infected with the SARS-CoV-2. In addition, data from n = 276 individuals who had been infected with the SARS-CoV-2 in 2021, collected via a longitudinal survey, was used. In the GP-EHR data, we operationalized two classifications of PCS (based on symptoms and diagnosis recorded in GP-EHR data and healthcare utilization 3-12 months after acute infection) to calculate frequency and characteristics and compared this to the survey results. In a subgroup of the EHR data we conducted community detection analyses to explore clinical subtypes of PCS.RESULTS: The frequency of PCS was 15% with on average 4.6 symptoms for which the GP was consulted using the narrow definition and 32% with on average 6.8 symptoms for the broad definition. Across all methods and classifications, the mean age of individuals with PCS was around 53 years and they were more often female. There were small sex differences in the type of symptoms and overall symptoms were persistent for 6 months. The community detection analysis revealed three possible clinical subtypes.DISCUSSION: We showed that frequency rates of PCS differ between methods and data sources, but characteristics of the affected individuals are relatively stable. Overall, PCS is a heterogeneous syndrome affecting a substantial group of individuals who need adequate care. Future studies should focus on care trajectories and qualitative measures such as quality of life of individuals living with PCS.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Meza-Torres, B., Delanerolle, G., Okusi, C., Mayor, N., Anand, S., Macartney, J., Gatenby, P., Glampson, B., Chapman, M., Curcin, V., Mayer, E., Joy, M., Greenhalgh, T., Delaney, B., & de Lusignan, S. (2022). Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study. JMIR Public Health and Surveillance, 8(8), e37668–e37668.

MLA Style

Meza-Torres, B, et al. “Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study.” JMIR Public Health and Surveillance, vol. 8, no. 8, 2022, pp. e37668–e37668.

Chicago Style

Meza-Torres, B, G Delanerolle, C Okusi, et al. 2022. “Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study.” JMIR Public Health and Surveillance 8 (8): e37668–e37668.
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