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. 2021 May 25;373:n1135. doi: 10.1136/bmj.n1135

Table 1.

Baseline characteristics of Danish population (>1 year of age), overall and among those admitted to hospital within different time periods during covid-19 pandemic in Denmark. Data are % (numbers) unless indicated otherwise

Characteristics Overall population Hospital admissions
Baseline First national lockdown Gradual reopening Few restrictions Regional lockdowns Second national lockdown
No of people 5 753 179 416 034 46 362 64 433 151 824 98 410 58 706
Age (years), mean (SD) 41.8 (23.4)* 59.9 (22.4) 61.0 (22.0) 60.5 (22.2) 60.2 (22.4) 60.6 (22.1) 61.8 (21.9)
 0-20 21.4 (1 231 783)* 5.7 (35 152) 4.6 (2375) 5.2 (3852) 5.4 (10 281) 5.3 (6091) 4.4 (2931)
 21-40 25.4 (1 463 171)* 15.8 (97 329) 15.9 (8290) 15.6 (11 472) 16.2 (30 851) 15.4 (17 805) 15.3 (10 183)
 41-60 27.0 (1 553 768)* 18.8 (115 783) 17.9 (9300) 18.4 (13 476) 18.2 (34 704) 18.4 (21 296) 17.5 (11 683)
 61-80 21.4 (1 230 024)* 40.3 (248 065) 41.0 (21 325) 40.5 (29 732) 40.2 (76 564) 40.9 (47 390) 40.4 (26 950)
 ≥81 4.8 (274 433)* 19.3 (118 877) 20.7 (10 755) 20.3 (14 885) 20.0 (38 077) 20.1 (23 269) 22.4 (14 962)
Female population 50.3 (2 892 854)* 53.6 (329 970) 52.6 (27 361) 53.3 (39 141) 53.8 (102 384) 53.6 (62 086) 53.0 (35 327)
No of hospital admissions 1 113 705 615 206 52 045 73 417 19 477 115 851 66 709
Million person weeks of observation 567.8 299.2 29.6 44.4 94.0 62.7 38.0

SD=standard deviation.

Overall population from 13 March 2019 to 27 January 2021; baseline period from 13 March 2019 to 10 March 2020, 364 days; first national lockdown from 11 March 2020 to 15 April 2020, 36 days; gradual reopening from 16 April 2020 to 8 June 2020, 54 days; few restrictions from 9 June 2020 to 30 September 2020, 114 days; regional lockdowns from 1 October 2020 to 15 December 2020, 76 days; second national lockdown from 16 December 2020 to 27 January 2021, 46 days.

*

Population characteristics in Denmark on 11 March 2020.