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Table 6 Comparison of clinical characteristics among groups A, B and C

From: Relationship between admission coagulopathy and prognosis in children with traumatic brain injury: a retrospective study

  Group A
(n = 157)
Group B (n = 73) Group C (n = 51) Pa Pairwise Comparisons
A v B A v C B v C
Age, M 60.0
(23.0-95.5)
36.0
(14.5–88.0)
37.0
(21.0–78.0)
0.056    
Males, n (%) 90
(57.3 %)
48
(65.8 %)
32
(62.7 %)
0.446    
Weight, kg 18.0
(12.3–25.0)
16.0
(10.5–22.0)
15.0
(10.0–20.0)
0.073    
GCS 8 (7–12) 8 (6–9) 5 (3–7) < 0.001 0.038 < 0.001 < 0.001
PTS 6 (4–8) 4 (3–6) 2 (1–3) < 0.001 0.003 < 0.001 < 0.001
ISS 18 (9–25) 18 (12–29) 25 (18–34) < 0.001 0.333 < 0.001 0.067
Polytrauma,n (%) 72 (45.9 %) 37 (50.7 %) 35 (68.6 %) 0.018    
Hypotension,n(%) 6 (3.8 %) 10 (13.7 %) 18 (35.5 %) < 0.001    
Lactate, mmol/L 1.3 (0.7–2.8) 2.8 (1.1–4.4) 4.9 (2.9–7.1) < 0.001 < 0.001 < 0.001 0.001
Hgb, g/L 106 (92–118) 92 (79–105) 76 (55–85) < 0.001 < 0.001 < 0.001 0.001
Death, n (%) 7 (4.5 %) 15 (20.5 %) 31 (60.8 %) < 0.001    
HLOS, d 20 (12–37) 20 (12–34) 6 (1–25) < 0.001 1 < 0.001 0.001
Hospital-free days, d 7 (0–15) 2 (0–12) 0 (0–0) < 0.001 0.148 < 0.001 < 0.001
ILOS, d 2 (1–5) 4 (1–11) 4 (1–9) 0.01 0.017 0.146 1
ICU-free days, d 12 (9–13) 7 (0–13) 0 (0–1) < 0.001 < 0.001 < 0.001 < 0.001
Intubation days, d 1 (1–2) 2 (1–6) 2 (1–6) < 0.001 < 0.001 0.001 1
Intubation-free days, d 13 (11–13) 6 (0–10) 0 (0–0) < 0.001 < 0.001 < 0.001 < 0.001
  1. Data are shown as the median (interquartile range) or a number (percentage)
  2. M month, GCS Glasgow Coma Score, PTS Pediatric Trauma Score, ISS Injury Severity Score, Hgb hemoglobin, HLOS hospital length-of-stay, ICU intensive care unit, ILOS ICU length-of-stay
  3. aKruskal–Wallis or Chi-square test for continuous or categorical variables, respectively