Table 4

Mortality in the derivation and validation cohorts at different levels of SOARS

ScoreDerivation cohort
(N=821; deaths=258)
Aintree validation cohort
(N=290; deaths=94)
ISARIC validation cohort
(N=14‚ÄČ231; deaths=4319)
No of deaths (n/N)Mortality rate (%)Proportion of deaths (%)No of deaths (n/N)Mortality rate (%)Proportion of deaths (%)No of deaths (n/N)Mortality rate (%)Proportion of deaths (%)
01/691.4%0.4%1/128.3%1.1%34/8334.1%0.8%
15/945.3%1.9%2/238.7%2.1%94/15296.1%2.2%
26/1025.9%2.3%3/378.1%3.2%273/187914.5%6.3%
329/12423.4%11.2%11/6018.3%11.7%650/257725.2%15.1%
473/20635.4%28.3%24/7233.3%25.5%1490/401337.1%34.5%
563/11753.9%24.4%29/4860.4%30.9%1170/240248.7%27.1%
658/8072.5%22.6%16/3053.3%17.0%571/93960.8%13.2%
722/2878.6%8.5%6/6100.0%6.4%36/5862.1%0.8%
81/1100.0%0.4%2/2100.0%2.1%0/10.0%0.0%
  • The proportion of deaths at each score is defined as the number of deaths at that score divided by the total number of deaths in that particular cohort.

  • SOARS, SpO2, Obesity, Age, Respiratory rate, Stroke history.