Table 2 Differences between patients who received EVDs and those who did not

Age^a

59.0 ± 13.4

56.7 ± 12.5

0.60

Female sex

24 (77.4%)

12 (48.0%)

0.022

Admission mF^a

3.6 ± 0.7

2.3 ± 1.1

 < 0.001

Admission HH^a

3.5 ± 1.3

1.8 ± 0.9

 < 0.001

Admission GCS

9 (5–14)

15 (14–15)

 < 0.001

Admission WFNS

4 (2–5)

1 (1–2)

 < 0.001

Hydrocephalus

31 (100.0%)

8 (32.0%)

 < 0.001

Aneurysm treatment

0.88

 Clip

7 (22.6%)

7 (28.0%)

 Coil

14 (45.2%)

11 (44.0%)

 Other^b

10 (32.3%)

7 (28.0%)

Days from SAH to MRI

8 (4–16)

6 (3–11)

0.23

DCI or vasospasm

22 (71.0%)

7 (28.0%)

0.001

ICU LOS

22 (18–30)

10 (8–14)

 < 0.001

Hospital LOS

30 (19–46)

14 (12–17)

 < 0.001

EVD complications

20 (64.5%)

N/A

N/A

 Ventriculitis

3 (9.7%)

N/A

N/A

 Tract hemorrhage

19 (61.3%)

N/A

N/A

 Overdrainage

3 (9.7%)

N/A

N/A

Received VPS among EVD+

8 (25.8%)

N/A

N/A

mRS at discharge

5 (3–6)

2 (2–3)

 < 0.001

mRS at 6 months

4 (2–6)

1 (0–2)

0.001