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Table 1 Patient characteristics

From: A stratification strategy to predict secondary infection in critical illness-induced immune dysfunction: the REALIST score

Preadmission characteristics Whole REALISM cohort
n = 353
Cohort of interest
(ICU at D5–7)
n = 189
Age (year) 60 [47–71] 59 [45–72]
Female gender 122 (34.6%) 52 (27.5%)
BMI (kg/m2) 25.0 [22.3–28.4] 25.2 [22.6–28.5]
Admission reason   
 Sepsis* 107 (30.3%) 72 (38.1%)
 Trauma 137 (38.8%) 95 (50.3%)
 Surgery 109 (30.8%) 22 (11.6%)
Clinical characteristics   
 Admission SAPS2 29 [20–43] 35 [23–47]
 SOFA at admission 5 [1–8] 6 [2–9]
 SOFA at D5–7 1 [0–2] 1 [0–4]
 Mechanical ventilation at D5–7 33 (9.3%) 33 (18.2%)
 Renal Replacement Therapy at D5–7 17 (4.8%) 16 (8.5%)
Outcomes   
 Secondary infection at D 30 74 (21.0%) 42 (22.2%)
 Secondary infection onset (days) 9 [6–15] 11 [9–17]
 D30 ICU free days 23 [18–26] 22 [15.5–24]
 D30 hosp. free days 15 [2–21] 9 [0–17.5]
 D30 mortality 18 (5.1%) 10 (5.3%)
  1. Data are presented as absolute numbers (percentage) or as median [Q1–Q3].
  2. *See Additional file 1: Table S2 for detailed infection characteristics for patients admitted with sepsis.