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Table 1 Patient characteristics ( N= 28)a

From: Higher brain extracellular potassium is associated with brain metabolic distress and poor outcome after aneurysmal subarachnoid hemorrhage

Clinical characteristics

Data

Age (yr)

56 (47 to 68)

Sex (female)

16 (57%)

Admission H&H grade

 

 2

3 (11%)

 3

6 (21%)

 4

3 (11%)

 5

16 (57%)

Admission APACHE II score

18 (14 to 21)

Admission radiological characteristics

 

 Modified Fisher scale score

 

  1

3 (11%)

  2

3 (11%)

  3

10 (35%)

  4

12 (43%)

 IVH sum score

5 (0 to 9)

 Intracerebral hematoma

13 (46%)

 Aneurysm size >10 mm

8 (29%)

 Generalized cerebral edema

11 (39%)

Surgical procedures/interventions

 

 Clipping

20 (71%)

 Hydrocephalus requiring CSF diversion

22 (79%)

 Hyperosmolar therapy

14 (50%)

Complications

 

 Pneumonia

21 (75%)

 Delayed cerebral infarction

6 (21%)

Outcome characteristics

 

 Length of hospital stay (days)

40 (27 to 50)

 3-month mRS score

 

  0 to 1

5 (17.9%)

  2 to 3

6 (21.4%)

  4

6 (21.4%)

  5

6 (21.4%)

  6

5 (17.9%)

  1. aAPACHE II = Acute Physiology and Chronic Health Evaluation II; CSF = Cerebrospinal fluid; H&H = Hunt and Hess; IVH = Intraventricular hemorrhage; mRS = modified Rankin Scale. Data shown are n (%) for categorical variables and median (IQR) for continuous variables.