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Table 2 Demographics and outcome

From: Unsupervised phenotyping of sepsis using nonnegative matrix factorization of temporal trends from a multivariate panel of physiological measurements

  Subgroup 1 Subgroup 2 Subgroup 3 Sepsis-3 cohort
Group size 1218 2036 2528 5782
Age, mean (year) ± SD 73.12 ± 14.56 67.91 ± 16.27 59.92 ± 18.24 65.52 ± 17.64
Gender (%)
 Male 59.03% 60.27% 50.44% 55.50%
 Female 40.97% 39.73% 49.56% 44.30%
Weight, mean (kg) ± SD 84.25 ± 35.08 83.01 ± 24.32 79.37 ± 25.54 81.68 ± 27.56
BMI, mean (kg/m2) ± SD 29.36 ±  29.48 ±  28.36 ±  29.01 ± 8.73
BMI, Strata
 Overweight 32.50% 32.00% 33.14% 32.56%
 Underweight 1.88% 2.72% 3.78% 2.96%
 Obese 37.50% 37.61% 30.67% 34.81%
 Healthy weight 28.12% 27.67% 32.40% 29.66%
ICU LOS, mean (day) ± SD 3.14 ± 4.67 6.23 ± 7.10 4.21 ± 5.52 4.69 ± 6.09
Elixhauser index, Mean ± SD 3.53 ± 6.90 5.65 ± 7.12 2.37 ± 6.59 3.77 ± 6.99
Ethnicity (%)
 Asian 2.38% 2.95% 3.56% 3.10%
 Black 9.61% 8.64% 8.23% 8.66%
 White 76.68% 72.15% 71.08% 72.64%
 Hispanic 1.40% 3.09% 4.27% 3.25%
 Other 9.93% 13.16% 12.86% 12.35%
Day-1 SOFA score, Mean ± SD 6.51 ± 2.60 8.65 ± 3.38 6.50 ± 2.53 7.29 ± 3.07
30-Day mortality (%) 17.00% 28.39% 10.13% 18.00%
In-hospital mortality (%) 11.99% 24.80% 7.32% 14.46%
  1. SD standard deviation