Table 4.
Ratio between estimated number of infected and RT-PCR-diagnosed SARS-CoV-2 cases from national surveillance at four time points and number of SARS-CoV-2 admissions, infection admission rate, number of SARS-CoV-2 deaths and infection fatality rate per December 2020, by age group and sex, Denmark 2020
| Estimated ratio of infected/PCR-diagnosed COVID-19 cases | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Maya | August | October | December | Estimated number of infected by December 2 | Admissions by December 12b | IAR (%) | Deaths by December 22b | IFR (%) | |
| Total | 6 | 6 | 3 | 2 | 208 000 | 5987 | 2.9 | 1081 | 0.52 |
| Age group | |||||||||
| 12–17 years | – | 5 | 4 | 3 | 26 000 | 58 | 0.22 | 0 | – |
| 18–39 years | 13 | 7 | 4 | 2 | 84 000 | 642 | 0.76 | 3 | 0.00 |
| 40–64 years | 3 | 5 | 3 | 2 | 69 000 | 2033 | 3.0 | 56 | 0.08 |
| 65 + years | 3 | 6 | 3 | 3 | 27 000 | 3164 | 12 | 1022 | 3.8 |
| Sex | |||||||||
| Female | 4 | 6 | 3 | 2 | 107 000 | 2790 | 2.6 | 480 | 0.45 |
| Male | 9 | 6 | 4 | 2 | 101 000 | 3107 | 3.1 | 601 | 0.60 |
aIncludes only people 18 years and older living in one of 30 municipalities which had a test facility at the time (n = 5) or was neighbouring a municipality with a test facility (n = 25). Approximately 45% of the population of Denmark
bAmong RT-PCR confirmed SARS-CoV-2 cases from national surveillance
IAR = Infection admission rate. IFR = Infection fatality rate