Table 1

Serology test results by region—NHS staff compared with population survey data (ONS): seroprevalence rates (unweighted) and odds of increased risk of infection in NHS staff

RegionNHS staffONS/communityOR95% CI
Total serology testsTotal positive testsSeroprevalence (%)95% CITotal serology testsTotal positive testsSeroprevalence (%)95% CI
London212 11750 64523.923.7 to 24.16177211.79.3 to 14.52.41.9 to 3.1
North West200 49934 83317.417.2 to 17.5679405.94.4 to 8.03.42.4 to 4.7
East of England76 98412 12915.815.5 to 16.0751516.85.2 to 8.92.61.9 to 3.5
Midlands201 80231 02515.415.2 to 15.51201715.94.7 to 7.42.92.3 to 3.7
North East and Yorkshire189 18126 87314.214.0 to 14.4738354.73.4 to 6.63.32.4 to 4.8
South East161 20522 07313.713.5 to 13.9895465.13.8 to 6.82.92.2 to 4.0
South West104 52293198.98.8 to 9.1857242.81.9 to 4.13.42.3 to 5.3
Total1 146 310186 89716.316.2 to 16.457383395.95.3 to 6.63.12.8 to 3.5
  • NHS Trust staff data from NHS E&I: 26 May–31 August 2020.

  • Community population COVID-19 Infection Survey data from ONS: 26 April–8 September 2020.

  • NHS, National Health Service; NHS E&I, NHS England and Improvement; ONS, Office for National Statistics.