Coronavirus in hip fractures (CHIP) 4 : has vaccination improved mortality outcomes in hip fracture patients?
Rashid, Fatima Mahmood, Aatif Hawkes, David H Harrison, William J
Rashid, Fatima
Mahmood, Aatif
Hawkes, David H
Harrison, William J
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2022-12
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Abstract
Aims: Prior to the availability of vaccines, mortality for hip fracture patients with concomitant COVID-19 infection was three times higher than pre-pandemic rates. The primary aim of this study was to determine the 30-day mortality rate of hip fracture patients in the post-vaccine era.
Methods: A multicentre observational study was carried out at 19 NHS Trusts in England. The study period for the data collection was 1 February 2021 until 28 February 2022, with mortality tracing until 28 March 2022. Data collection included demographic details, data points to calculate the Nottingham Hip Fracture Score, COVID-19 status, 30-day mortality, and vaccination status.
Results: A total of 337 patients tested positive for COVID-19. The overall 30-day mortality in these patients was 7.7%: 5.5% in vaccinated patients and 21.7% in unvaccinated patients. There was no significant difference between post-vaccine mortality compared with pre-pandemic 2019 controls (7.7% vs 5.0%; p = 0.068). Independent risk factors for mortality included unvaccinated status, Abbreviated Mental Test Score ≤ 6, male sex, age > 80 years, and time to theatre > 36 hours, in decreasing order of effect size.
Conclusion: The vaccination programme has reduced 30-day mortality rates in hip fracture patients with concomitant COVID-19 infection to a level similar to pre-pandemic. Mortality for unvaccinated patients remained high.Cite this article: Bone Joint J 2022;104-B(12):1362-1368.
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Rashid F, Mahmood A, Hawkes DH, Harrison WJ; CHIP collaborative group. Coronavirus in hip fractures (CHIP) 4 : has vaccination improved mortality outcomes in hip fracture patients? Bone Joint J. 2022 Dec;104-B(12):1362-1368. doi: 10.1302/0301-620X.104B12.BJJ-2022-0843.R1.
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