Table 1 Distribution of demographical and clinical data based on different sABI etiology; Summary of univariate statistically analysis (chi-square test, Kruskal–Wallis rank sum test as appropriate).

From: Natural course and predictors of consciousness recovery in children with prolonged disorder of consciousness

Characteristics

 

Overall

Etiology

χ2/H

P value

Trauma

Infection

Hypoxia

Others

Participants

n (%)

383 (100)

141(36.8)

142(37.1)

47(12.3)

53(13.8)

  

Gender

 Males

n (%)

220

(57.4)

88

(62.4)

77

(54.2)

27

(57.4)

28

(52.8)

2.486

0.478

 Age of onset (years)

Median

(IQR)

3.9

(1.9, 7.3)

4.6*

(2.7, 7.6)

4.0*

(2, 7.7)

1.9

(1.3, 4.7)

3.2

(1.7, 6.7)

15.10

0.002

 Time before rehabilitation (days)

Median

(IQR)

30

(21.0, 46.0)

31

(19.0, 46.0)

28.5

(22.0, 40.8)

30

(19.5, 53.5)

38

(23.0, 47.0)

3.477

0.324

Consciousness at admission

 VS/UWS

n (%)

302 (78.9)

111 (78.7)

111 (78.2)

40 (85.1)

40 (75.5)

1.507

0.681

 MCS

n (%)

81 (21.1)

30 (21.3)

31 (21.8)

7 (14.9)

13 (24.5)

 Death before the event

n (%)

       

 SEP grading

n

286

      

 1

n (%)

104 (36.4)

21 (20.4)

49 (48.5)

11 (26.2)

23 (57.5)

29.459

 < 0.001

 2

n (%)

29 (10.1)

13 (12.6)

11 (10.9)

3 (7.1)

2 (5.0)

 3

n (%)

153 (53.5)

69 (67.0)

41 (40.6)

28 (66.7)

15 (37.5)

 BAEP grading

n

228

      

 1

n (%)

181 (79.4)

59¶ (66.3)

67 (84.8)

30 (100)

25 (83.3)

18.882

0.004

 2

n (%)

30 (13.2)

19 (21.3)

8 (10.1)

0 (0)

3 (10.0)

 3

n (%)

17(7.4)

11 (12.4)

4 (5.1)

0 (0)

2 (6.7)

  1. sABI severe acquired brain injury, VS vegetative state, UWS unresponsive wakefulness syndrome, MCS minimally conscious state, SEP somatosensory evoked potentials, BAEP brainstem auditory evoked potentials, IQR interquartile range, CAA Consciousness at admission, TBR time before rehabilitative admission.
  2. The value of one etiology is significantly different from the value of hypoxia subgroup at p value < 0.05 at Baumgartner–Weiß–Schindler. All-Pairs Test for pairwise comparisons.
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