Table 1

Baseline* participant characteristics

All n=471 227Whole UK BiobankMatched cohort
COVID-19 n=18 564Non-COVID-19 n=452 663COVID-19 cases n=17 871Matched controls n=35 742
Men, n (%)210 730 (44.7%)8743 (47.1%)201 987 (44.6%)8409 (47%)16 813 (47%)
Women, n (%)260 496 (55.3%)9821 (52.9%)250 675 (55.4%)9462 (53%)18 929 (53%)
Age on 1 March 2020, median (IQR)69 (62, 75)65 (58, 73)69 (62, 75)65 (58, 73)65 (58, 73)
BMI, median (IQR)26.7 (24.1, 29.9)27.6 (24.8, 30.9)26.7 (24.1, 29.8)27.5 (24.8, 30.9)27.4 (24.6, 30.9)
BAME25 875 (5.5%)1838 (10.0%)24 037 (5.3%)1752 (9.8%)3381 (9.5%)
Diabetes34 039 (7.2%)1920 (10.3%)32 119 (7.1%)1835 (10.3%)3683 (10.3%)
Prevalent IHD48 452 (10.3%)2275 (12.3%)46 177 (10.2%)2184 (12.2%)4398 (12.3%)
Prevalent AF26 633 (5.7%)1273 (6.9%)25 360 (5.6%)1420 (8.0%)1911 (5.4%)
Prevalent HF10 260 (2.2%)662 (3.6%)9598 (2.1%)808 (4.5%)856 (2.4%)
Current smoking46 994 (10.0%)2162 (11.7%)44 832 (9.9%)2096 (11.7%)4172 (11.7%)
Hypertension157 538 (33.4%)6502 (35.0%)151 036 (33.4%)6241 (34.9%)12 474 (34.9%)
High cholesterol83 595 (17.7%)3475 (18.7%)80 120 (17.7%)3336 (18.7%)6689 (18.7%)
Townsend score, median (IQR)−2.17 (−3.66, 0.49)−1.46 (−3.27, 1.63)−2.19 (−3.67, 0.43)−1.48 (−3.27, 1.61)−1.50 (−3.32, 1.58)
  • *Age, diabetes, prevalent IHD and hypertension in March 2020.

  • AF, atrial fibrillation; BAME, black Asian and minority ethnic; BMI, body mass index; CVD, cardiovascular disease; HF, heart failure; IHD, ischaemic heart disease.;