Table 1

The characteristics for 303 patients

Characteristics

Sex (male/female)

131/172

Age (y)

43.9 ± 12.4

World Federation of Neurological Surgeons score on admission

2.3 ± 1.2

Modified Fisher score on admission

2.7 ± 1.0

Aneurysmal location

Posterior communication artery

83 (27.4%)

Internal carotid artery

43 (14.2%)

Anterior communication artery

66 (21.8%)

Middle cerebral artery

45(14.9%)

Anterior cerebral artery

35 (11.6%)

Posterior cerebral artery

23 (7.6%)

Vertebral artery

8 (2.6%)

Surgery

186 (61.4%)

Aneurysmal size (mm)

7.2 ± 4.9

Rebleeding

16 (5.3%)

Acute hydrocephalus

90 (29.7%)

Intracerebral hemorrhage

39 (12.9%)

Intraventricular hemorrhage

72 (23.8%)

External ventricular drain

109 (36.0%)

Angiographic vasospasm

131 (43.2%)

Computed tomography ischemia

50 (16.5%)

Admission time (hr)

4.7 ± 3.6

Plasma-sampling time (hr)

6.7 ± 4.4

Seizure

44 (14.5%)

Plasma C-reactive protein level (mg/L)

7.1 ± 2.7

plasma D-dimer level (mg/L)

2.1 ± 0.9

Plasma copeptin level (pmol/L)

21.2 ± 9.0

Numerical variables were presented as mean ± standard deviation. Categorical variables were expressed as counts (percentage).

Zhu et al. Critical Care 2011 15:R288   doi:10.1186/cc10575