Table 1.

A comparison of emergency department overall attendances, frequent attenders, and frequent attenders with medically unexplained symptoms between two 122-day periods in 2019 (Control) and 2020 (COVID-19)

ControlCOVID-19RR (95%CI), p-value
ED visits, n42,78528,806
ED visits per 1kpop/yr114.477.0
Frequent attenders
Patients, n163147
Patients per 1kpop/yr1.31.20.95 (95%CI 0.90–1.01), p=0.13
ED visits, n11851000
ED visits per 1kpop/yr9.58.00.92 (95%CI 0.90–0.94), p<0.0001
Frequent attenders with medically unexplained symptoms
Patients, n4465
Patients per 1kpop/yr0.40.51.5 (95%CI 1.1–1.8), p=0.0006
ED visits, n149267
ED visits per 1kpop/yr1.22.11.8 (95%CI 1.6–2.0), p<0.0001
  • ED = emergency department; RR = relative risk; 95%CI = 95% confidence interval; 1kpop/year = 1,000 population at risk per year incidence