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Table 2 Comparison between subgroups of patients based on treatment

From: Late decompressive craniectomyafter traumatic brain injury: neurological outcome at 6 months after ICU discharge

  Early craniectomy Late craniectomy No craniectomy P value
Number 41 21 124  
Male sex, % (N) 70.7% (29) 76.2% (16) 65.3% (81) 0.99
Age (years) 43.8 ± 17.9 35.7 ± 19.4 47 ± 21 0.07
ISS 33.3 ± 10.9 32.7 ± 8.9 31.7 ± 12.1 0.38
RTS 5.7 ± 1.5 5.3 ± 1.3 5.5 ± 1.6 0.52
TRISS 63.4 ± 28.4 62.6 ± 20.4 63.1 ± 27.7 0.84
GCS at admission 7.7 ± 3.5 7.2 ± 3 7.4 ± 3.6 0.85
Marshall score 3.2 ± 0.8* 2.4 ± 0.8 2.7 ± 0.9 0.02
SAPS II 46.1 ± 12.5 42.4 ± 9.2 46.2 ± 14.4 0.58
ICU LOS 16.6 ± 9.1 28 ± 7.6*** 19.1 ± 10 0.001
ICU mortality, % (N) 29.3% (12) 28.6% (6) 24.2% (30) 0.91
GCS at ICU discharge 7.1 ± 3.5 7.5 ± 3.5 8 ± 4.3 0.42
Total hospitalmortality, % (N) 36.6% (15) 33.3% (7) 29% (36) 0.65
Hospital LOS 43.1 ± 24.7 54.2 ± 21.2* 40.2 ± 20.6 0.02
GCS at hospital discharge 10.7 ±4.3 10.5 ±3.5 11 ± 4 0.74
GOS at 6 months 3.3 ± 1.4 3.00 ± 1.1 3.6 ± 0.9 0.71
Total 6-monthsmortality, % (N) 48.8% (20) 42.9% (9) 29% (36)* 0.02
  1. Continuous variables are expressed as mean ± standard deviation. Percentages are referred to the total population of each group. Statistical analysis: Kruskal-Wallis test with Dunn's multiple comparison test andChi square test. P value was considered significant if <0.05.
  2. AIS: Abbreviated Injury Scale; GCS: Glasgow Coma Scale; GOS: Glasgow Outcome Scale; LOS: Length of Stay; ISS: Injury Severity Score; RTS: Revised Trauma Score; SAPS: Simplified Acute Physiology Score; TRISS: Trauma - Injury Severity Score.
  3. *P < 0.05.
  4. ***P < 0.001.