Table 2 Baseline characteristics of IVH patients with or without EVD placement

Demographics

  Age

75 ± 12

67 ± 12

< 0.001

  Sex

0.4

    % male

55%

57%

    % female

45%

43%

Previous medical history

  ICH

11%

6%

0.02

  Ischemic stroke

15%

14%

0.8

  Hypertension

82%

89%

0.003

  Diabetes

24%

27%

0.2

  Hypercholesterolemia

42%

44%

0.7

ICH characteristics

  ICH volume median (IQR)

37.4 (10.6–86.2)

19.8 (7.8–46.3)

< 0.001

  IVH volume median (IQR)

7.8 (2.4–22.6)

17.0 (5.8–36.4)

< 0.001

  Location

< 0.001

    Lobar

50%

26%

< 0.001

    Deep

44%

56%

< 0.001

    Cerebellar

3%

12%

< 0.001

    Brain stem

3%

5%

0.2

Admission characteristics

  Pre-stroke mRS 0 or 1

65%

79%

< 0.001

  Initial SBP

177 ± 35

190 ± 75

< 0.001

  Anticoagulants

24%

29%

0.07

  Antiplatelets

47%

41%

0.06

  Initial GCS median (IQR)

10 (5–15)

7.5 (4–13)

< 0.001

  EVD placement

4%

29%

< 0.001

Outcomes

  Intubated

45%

87%

< 0.001

  DNR in first 24 h

39%

17%

< 0.001

  CMO in first 24 h

34%

10%

< 0.001

  90-day mortality

59%

53%

0.048

  Discharge mRS 0–3

9.0%

4.0%

0.007

  90-day MRS

(n = 631)

(n = 246)

0.5

    0

2.2%

0.4%

    1

3.2%

2.4%

    2

3.6%

1.2%

    3

5.9%

8.1%

    4

5.9%

8.9%

    5

3.8%

8.1%

    6

75.4%

70.7%

  90-day mRS 0–3

14.9%

12.2%

0.3

  Hematoma evacuation

5%

14%

< 0.001