Thyroidal dysfunction

High fT4

Low fT3

TBI (n = 14)

SAH (n = 9)

TBI (n = 8)

SAH (n = 7)

TBI (n = 26)

SAH (n = 19)

mean ± S.D

mean ± S.D

mean ± S.D.

mean ± S.D.

mean ± S.D

mean ± S.D

TSH mE/l (DxI)

1.5 ± 1.0

1.1 ± 1.0

1.6 ± 0.4

1.8 ± 1.1

1.7 ± 1.3

2.1 ± 3.9

fT4 pmol/l (DxI)

6.4 ± 0.8***

6.7 ± 0.5***

15.2 ± 0.5***

16.1 ± 1.3***

8.4 ± 2.5**

8.7 ± 2.7**

fT3 nmol/l (Dxl)

3.3 ± 0.9**

3.2 ± 1.0**

4.2 ± 0.6

3.9 ± 0.6

2.9 ± 0.7***

3.0 ± 0.2***

GCS

7.7 ± 2.6

6.1 ± 3.4

7.1 ± 3.2

9.3 ± 4.2

7.5 ± 3.2*

6.5 ± 3.4

Peak S100B

(12 - 36 h) µg/l

0.54 ± 0.6

0.20 ± 0.1

0.86 ± 1.0

2.9 ± 5.7**

0.51 ± 0.5

0.17 ± 0.1

median

(min - max)

median

(min - max)

median

(min - max)

median

(min - max)

median

(min - max)

median

(min - max)

GCS

7 (4 - 13)

5 (3 - 13)

6.5 (3 - 13)

11 (3 - 13)

7 (3 - 13)*

6 (3 - 13)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

Hunt& Hess

1

0 (0)

0 (0)

0(0)

2

0 (0)

1 (14)

2 (10)

3

3 (33)

4 (57)

6 (32)

4

4 (45)

2 (29)

8 (42)

5

2 (22)

0 (0)

3 (16)

Fisher grade

1

0 (0)

0 (0)

0 (0)

2

0 (0)

0 (0)

1 (5)

3

1 (11)

1 (14)

4 (21)

4

8 (89)

6 (86)

14 (74)

DT scan

Cerebral contusions

10 (71)

6 (75)

19 (73)

Obliteration of the third ventricle or basal cisterns

4 (29)

4 (50)

8 (31)

Subarachnoid bleed

14 (100)*

3 (38)*

20 (77)

Midline shift > 5 mm

6 (43)

4 (50)

10 (38)

Subdural/epidural haematoma

14 (100)

7 (88)

22 (85)

Brain oedema

5 (36)

2 (25)

4 (15)

Basilar skull fractures

0 (0)

3 (38)

14 (54)

Facial fracture

3 (21)

0 (0)*

5 (19)