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Table 1 Baseline characteristics of the patients

From: Acute bilateral mass-occupying lesions in non-penetrating traumatic brain injury: a retrospective study

Characteristics

No.

Conservative

Unilateral

Bilateral

No. of patients

80

18

39

23

Male gender

66 (82.5)

18 (100.0)

33 (84.6)

15 (65.2)

Age1

46.4 (15.7)

43.6 (20.0)

49.2 (14.4)

43.9 (16.7)

Cause of injury

    

  Traffic

42 (52.5)

10 (55.6)

15 (38.5)

17 (73.9)

  Fall

28 (35.0)

6 (33.3)

17 (43.6)

5 (21.7)

  Violence

4 (5.0)

0

4 (10.3)

0

  Other/missing

6 (7.5)

2 (11.1)

3 (7.7)

1 (4.3)

GCS score on admission1

8.5 (3.8)

9.2 (4.3)

9.2 (3.7)

6.7 (3.3)

AIS-head1

4.4 (0.8)

4.2 (0.9)

4.3 (0.8)

4.7 (0.6)

Pupillary response

    

  Present

52 (66.3)

11 (61.1)

31 (79.5)

10 (43.5)

  One absent

6 (7.5)

1 (5.6)

2 (5.1)

3 (13.0)

  Bilateral absent

21 (26.3)

6 (33.3)

5 (12.8)

10 (43.5)

Outcome

    

  GOS1

2.9 (1.6)

2.6 (2.0)

3.3 (1.5)

2.5 (1.4)

  Death

25 (31.3)

10 (55.6)

7 (17.9)

8 (34.8)

  Unfavorable (GOS score 1–3)

45 (56.3)

12 (66.7)

16 (41.0)

17 (73.9)

  Missing

3 (3.8)

1 (5.6)

2 (5.1)

0

  1. 1Mean (SD); All other variables: number (%).
  2. GCS, Glasgow Coma Scale; AIS, Abbreviated Injury Scale; GOS, Glasgow Outcome Scale; SD, standard deviation.