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Table 1 Baseline characteristics

From: The hospital frailty risk score is of limited value in intensive care unit patients

  Survivors Non-survivors Total cohort P value
HFRS 2.9 (± 3.3, n = 1259) 4.1 (± 3.5; n = 239) 3.1 (± 3.36; n = 1498) < 0.001
Sex (male, [%]) 60% 54% 59% 0.12
Age (mean, [years]) 80.9 (± 4.2; n = 1259) 81.5 (± 4.33; n = 239) 81.0 (± 4.2; n = 1498) 0.07
Lactate [mmol/L] 2.0 (± 1.6; n = 1029) 6.1 (± 5.41; n = 184) 2.7 (± 3.0; n = 1213) < 0.001
Creatinine [mmol/L] 149.4 (± 118.8; n = 1195) 206.9 (± 83.5; n = 229) 158.6 (± 122.1; n = 1424) < 0.001
Urea [mmol/L] 12.9 (± 9.8; n = 1196) 17.7 (± 11.05; n = 228) 13.7 (± 10.2; n = 1424) < 0.001
Albumin [g/L] 25.9 (± 6.2; n = 448) 21.1 (± 6.27; n = 103) 25.0 (± 6.5; n = 551) < 0.001
Use of catecholamine 13% 18% 14% 0.12
Invasive ventilation 23% 59% 30% < 0.001
Hemodialysis 8% 23% 11% < 0.001
  1. HFRS hospital frailty risk score. Normally distributed data points are expressed as mean ± standard deviation. Differences between independent groups were calculated using ANOVA. Categorical data are expressed as numbers (percentage)