The effectiveness of COVID–19 vaccination against all–cause mortality in patients with type 2 diabetes mellitus: The observation during the initial period of the cancellation of the “Dynamic Zero Policy” in mainland China
Authors' conclusion
COVID-19 vaccination could effectively prevent the all-cause death in patients with T2DM during the omicron variant outbreak period, after the cancellation of the "Dynamic Zero Policy" in mainland China.
Study context
- Population
- Patients with T2DM administered by general practitioners, mainland China, during the omicron outbreak after cancellation of the "Dynamic Zero Policy"
- Participants
- 26,916 patients
- Exposure
- COVID-19 vaccination vs unvaccinated
- Outcome
- All-cause death
Main finding
As reported in the abstract
All-cause mortality
Each group vs unvaccinatedAdjusted odds ratio (95% CI)
PartialVE 17.60% (95% CI −17.10-42.00)
0.85(0.60–1.21)
FullVE 69.30% (95% CI 56.60-78.30)
0.31(0.22–0.43)
BoosterVE 88.00% (95% CI 82.30-91.80)
0.12(0.08–0.18)
- Deaths in total cohort
- 328
- Overall mortality
- 1.2%
Observational data: associations, not effects.
Original publication
The effectiveness of COVID–19 vaccination against all–cause mortality in patients with type 2 diabetes mellitus: The observation during the initial period of the cancellation of the “Dynamic Zero Policy” in mainland China. Diabetes Res Clin Pract. Published 8 May 2023. doi:10.
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