Journal
BMC MEDICINE
Volume 18, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12916-020-01726-3
Keywords
Hospitalisation; ICU capacity; COVID-19; SARS-CoV-2; Bed demand; Length of stay
Categories
Funding
- Medical Research Council London Intercollegiate Doctoral Training Program [MR/N013638/1]
- Bill and Melinda Gates Foundation via the SPEAK India Consortium [OPP1183986]
- LSHTM
- UK Medical Research Council [MR/N013638/1, MR/P014658/1]
- Wellcome Trust [208812/Z/17/Z]
- Bill and Melinda Gates Foundation NTD Modelling Consortium [OPP1184344]
- DFID/Wellcome Trust: Epidemic Preparedness Coronavirus research programme [221303/Z/20/Z]
- UK Public Health Rapid Support Team
- NIHR Health Protection Research Unit for Modelling Methodology [HPRU-2012-10096]
- UK Economic and Social Rsearch Council [ES/P010873/1]
- Bill and Melinda Gates Foundation [OPP1180644]
- Bill and Melinda Gates Foundation [OPP1180644] Funding Source: Bill and Melinda Gates Foundation
- Wellcome Trust [208812/Z/17/Z] Funding Source: researchfish
- ESRC [ES/P010873/1] Funding Source: UKRI
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BackgroundThe COVID-19 pandemic has placed an unprecedented strain on health systems, with rapidly increasing demand for healthcare in hospitals and intensive care units (ICUs) worldwide. As the pandemic escalates, determining the resulting needs for healthcare resources (beds, staff, equipment) has become a key priority for many countries. Projecting future demand requires estimates of how long patients with COVID-19 need different levels of hospital care.MethodsWe performed a systematic review of early evidence on length of stay (LoS) of patients with COVID-19 in hospital and in ICU. We subsequently developed a method to generate LoS distributions which combines summary statistics reported in multiple studies, accounting for differences in sample sizes. Applying this approach, we provide distributions for total hospital and ICU LoS from studies in China and elsewhere, for use by the community.ResultsWe identified 52 studies, the majority from China (46/52). Median hospital LoS ranged from 4 to 53 days within China, and 4 to 21 days outside of China, across 45 studies. ICU LoS was reported by eight studies-four each within and outside China-with median values ranging from 6 to 12 and 4 to 19 days, respectively. Our summary distributions have a median hospital LoS of 14 (IQR 10-19) days for China, compared with 5 (IQR 3-9) days outside of China. For ICU, the summary distributions are more similar (median (IQR) of 8 (5-13) days for China and 7 (4-11) days outside of China). There was a visible difference by discharge status, with patients who were discharged alive having longer LoS than those who died during their admission, but no trend associated with study date.ConclusionPatients with COVID-19 in China appeared to remain in hospital for longer than elsewhere. This may be explained by differences in criteria for admission and discharge between countries, and different timing within the pandemic. In the absence of local data, the combined summary LoS distributions provided here can be used to model bed demands for contingency planning and then updated, with the novel method presented here, as more studies with aggregated statistics emerge outside China.
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