Article ; Online: Prospective validation of the 4C prognostic models for adults hospitalised with COVID-19 using the ISARIC WHO Clinical Characterisation Protocol.
2021 Volume 77, Issue 6, Page(s) 606–615
Abstract: Purpose: To prospectively validate two risk scores to predict mortality (4C Mortality) and in-hospital deterioration (4C Deterioration) among adults hospitalised with COVID-19.: Methods: Prospective observational cohort study of adults (age ≥18 years) ...
Abstract | Purpose: To prospectively validate two risk scores to predict mortality (4C Mortality) and in-hospital deterioration (4C Deterioration) among adults hospitalised with COVID-19. Methods: Prospective observational cohort study of adults (age ≥18 years) with confirmed or highly suspected COVID-19 recruited into the International Severe Acute Respiratory and emerging Infections Consortium (ISARIC) WHO Clinical Characterisation Protocol UK (CCP-UK) study in 306 hospitals across England, Scotland and Wales. Patients were recruited between 27 August 2020 and 17 February 2021, with at least 4 weeks follow-up before final data extraction. The main outcome measures were discrimination and calibration of models for in-hospital deterioration (defined as any requirement of ventilatory support or critical care, or death) and mortality, incorporating predefined subgroups. Results: 76 588 participants were included, of whom 27 352 (37.4%) deteriorated and 12 581 (17.4%) died. Both the 4C Mortality (0.78 (0.77 to 0.78)) and 4C Deterioration scores (pooled C-statistic 0.76 (95% CI 0.75 to 0.77)) demonstrated consistent discrimination across all nine National Health Service regions, with similar performance metrics to the original validation cohorts. Calibration remained stable (4C Mortality: pooled slope 1.09, pooled calibration-in-the-large 0.12; 4C Deterioration: 1.00, -0.04), with no need for temporal recalibration during the second UK pandemic wave of hospital admissions. Conclusion: Both 4C risk stratification models demonstrate consistent performance to predict clinical deterioration and mortality in a large prospective second wave validation cohort of UK patients. Despite recent advances in the treatment and management of adults hospitalised with COVID-19, both scores can continue to inform clinical decision making. Trial registration number: ISRCTN66726260. |
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MeSH term(s) | Adolescent ; Adult ; COVID-19/therapy ; Hospital Mortality ; Humans ; Observational Studies as Topic ; Prognosis ; SARS-CoV-2 ; State Medicine ; World Health Organization |
Language | English |
Publishing date | 2021-11-22 |
Publishing country | England |
Document type | Journal Article ; Observational Study ; Research Support, Non-U.S. Gov't |
ZDB-ID | 204353-1 |
ISSN | 1468-3296 ; 0040-6376 |
ISSN (online) | 1468-3296 |
ISSN | 0040-6376 |
DOI | 10.1136/thoraxjnl-2021-217629 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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