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. 2020 Sep 10;188:4–7. doi: 10.1016/j.puhe.2020.08.025

Table 3.

Summary of the potential benefits (reduced COVID-19 hospitalisations) compared with the proportion of the population required to maintain lockdown for the policy options examined.

Policy scenario Proportion of adult hospitalisations reduced Proportion of adult population affected
  • A

    Age-based

  •  1. Restrict all persons aged older than 50 years

 81% 40%

  •  2. Restrict only persons aged older than 65 years

 51% 19%
  • B

    Age- and comorbidity-based

  •  3. Restrict adults of all ages with CDRFs

 77% 45%

  •  4. Restrict all those with CDRFs aged older than 50 years

 57% 21%a

  •  5. Restrict all those with CRDFs aged older than 65 years

 36% 11%a

CDRF, chronic disease risk factor/condition.

a

These are the age group–specific prevalences of one or more CDRFs in the most recent Scottish Health Survey, calculated as population-weight weighted averages of the prevalences in narrower age bands.