Table 1 Clinical characteristics.

From: Brain hypoxia and metabolic crisis are common in patients with acute brain injury despite a normal intracranial pressure

 

SAH

TBI

Overall

Number of patients

52

42

94

Male sex, no. (%)

14 (27%)

30 (71%)

44 (47%)

Age, years, median (range)

58 (34–83)

58 (22–86)

58 (22–86)

Initial GCS, median (IQR)

10 (4–14)

6 (3–10)

7 (3–13)

APACHE II score, median (IQR)

20 (18–23)

21 (19–25)

21 (18–23)

WFNS grade, no. (%)

 Grade 1

6 (12%)

–

–

 Grade 2

8 (15%)

–

–

 Grade 3

2 (4%)

–

–

 Grade 4

11 (21%)

–

–

 Grade 5

25 (48%)

–

–

Length of stay, days, median (IQR)

In the ICU

16 (8–28)

22 (11–31.75)

20 (9–31)

In hospital

47 (26–89)

63 (34–91)

57 (28–91)

Six-month outcome, no. (%)

Favourable (mRS 0–2)

12 (23%)

14 (33%)

26 (28%)

Unfavourable (mRS 3–5)

23 (44%)

19 (45%)

42 (45%)

Dead

16 (31%)

9 (21%)

25 (27%)

Missing data

1 (2%)

0 (0%)

1 (1%)

  1. Demographic and clinical characteristics of the study population as stratified by diagnosis. APACHE II Acute Physiology and Chronic Health Evaluation II, GCS Glasgow Coma Scale, ICU Intensive Care Unit, IQR Interquartile range, mRS Modified Rankin Scale, SAH Subarachnoid haemorrhage, TBI Traumatic Brain Injury, WFNS World Federation of Neurological Surgeons.
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