Variable Sample size (survivors) Survivors (Mean ± SD) Sample size (nonsurvivors) Nonsurvivors (Mean ± SD) Age 789 64.64 ± 17.86 86 78.53 ± 11.46 Gender(Female) 789 0.49 ± 0.02 86 0.41 ± 0.05 Steroid1 789 0.35 ± 0.02 86 0.43 ± 0.05 D-dimer1 787 6.02 ± 1.59 86 6.83 ± 1.52 IL102 782 2.28 ± 1.0 85 2.69 ± 1.21 1Log transformation is applied to D-dimer and IL10; 2Censored values are replaced by the limit of detection (LOD) 5.

Table 2: Demographic and clinical characteristics of survivors and nonsurvivors at baseline.