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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.