Table 1

Performance metrics for COVID-19 hospitalisation by sex and time period

COVID-19 deathCOVID-19 hospitalisation
FemalesMalesFemalesMales
1 March 2020–30 April 2020
 R20.72 (0.71–0.73)0.69 (0.68–0.70)0.47 (0.46–0.49)0.48 (0.46–0.49)
 Royston’s D3.28 (3.20–3.37)3.06 (2.98–3.15)1.93 (1.87–2.00)1.96 (1.90–2.02)
 Harrell’s C0.95 (0.94–0.95)0.93 (0.92–0.93)0.81 (0.80–0.82)0.82 (0.81–0.82)
 Brier Score0.0022 (0.0008–0.0035)0.0043 (0.0031–0.0056)0.0011 (0.0009–0.0013)0.0021 (0.0017–0.0025)
 Observed-expected ratio1.941.551.131.04
1 May 2020–30 June 2020
 R20.75 (0.74–0.76)0.75 (0.73–0.76)0.47 (0.44–0.50)0.54 (0.51–0.57)
 Royston’s D3.56 (3.44–3.68)3.50 (3.37–3.63)1.92 (1.80–2.04)0.83 (0.82–0.85)
 Harrell’s C0.96 (0.95–0.96)0.95 (0.94–0.96)0.79 (0.78–0.81)0.83 (0.82–0.85)
 Brier Score0.0006 (0.0004–0.0009)0.0006 (0.0004–0.0008)0.0003 (0.0002–0.00036)0.0002 (0.0002–0.0002)
 Observed-expected ratio1.070.730.370.26
  • Observerved-expected ratios were calculated prior to recalibration in the second period. Brier scores were calculated after recalibration.