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Table 1 Baseline characteristics and outcome parameters of patients underwent to craniectomy (early and late) and patients treated with medical therapy

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

  Overall Craniectomy Nocraniectomy P value
Number 186 62 124  
Male sex, % (N) 76.9% (146) 75.8% (47) 65.3% (81) 0.85
Age (years) 45 ± 20.4 41.1 ± 18.7 47 ± 21 0.07
ISS 32.1 ± 11.5 33.1 ± 10.2 31.7 ± 12.1 0.17
RTS 5.5 ± 1.5 5.5 ± 1.4 5.5 ± 1.6 0.99
TRISS 63.1 ± 27 63.1 ± 25.8 63.1 ± 27.7 0.76
GCS at admission 7.4 ± 3.5 7.5 ± 3.3 7.4 ± 3.6 0.60
SAPS II 45.4 ± 13.3 44.9 ± 11.6 46.2 ± 14.4 0.88
ICU LOS 19.1 ± 10 20.5 ± 10.2 18.4 ± 10 0.22
ICU mortality, % (N) 25.8% (48) 29% (18) 24.2% (30) 0.48
GCS at ICU discharge 7.8 ± 4 7.2 ± 3.5 8 ± 4.3 0.22
Total hospitalmortality, % (N) 31.2% (58) 35.5% (22) 29% (36) 0.40
Hospital LOS 42.6 ± 21.9 47.1 ± 23.6 40.2 ± 20.6 0.07
GCS at hospital discharge 10.9 ± 4 10.6 ± 4 10.9 ±4 0.45
GOS at 6 months 3.3 ± 1.2 3.2 ± 1.3 3.6 ± 0.9 0.29
Total 6-monthsmortality, % (N) 34.9% (65) 46.8% (29) 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: Mann–Whitney test (Craniectomy vs No craniectomy)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.