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Table 2 Radiological features

From: Predisposing factors and radiological features in patients with internal carotid artery dissection or vertebral artery dissection

Imaging

Total(n = 140)

ICAD(n = 84)

VAD(n = 56)

OR(95%CI)

P value

Intracranial dissection

56 (40.00%)

25 (29.76%)

31 (55.36%)

0.34 (0.18-0.68)

0.003

Extracranial dissection

84 (60.00%)

59 (70.24%)

25 (44.64%)

2.93 (1.46-5.69)

0.003

Intracranial extension

18 (12.86%)

11 (13.10%)

7 (12.50%)

1.06 (0.37-2.73)

0.918

Left-sided

64 (45.71%)

47 (55.95%)

17 (30.36%)

2.91 (1.45-5.92)

0.003

Right-sided

60 (42.86%)

32 (38.10%)

28 (50.00%)

0.62 (0.31-1.20)

0.163

Bilateral

9 (6.43%)

5 (5.95%)

4 (7.14%)

0.82 (0.23-2.79)

0.778

Vessel occlusion

26 (18.57%)

19 (22.62%)

7 (12.50%)

2.05 (0.81-5.17)

0.132

Dissecting aneurysms

26 (18.57%)

11 (13.10%)

15 (26.79%)

0.41 (0.18-0.98)

0.041

Double lumen

42 (30.00%)

31 (36.90%)

11 (19.64%)

2.39 (1.12-5.08)

0.029

String sign

29 (20.72%)

16 (19.05%)

13 (23.21%)

0.78 (0.35-1.81)

0.551

Intimal flap

11 (7.85%)

10 (11.90%)

1 (1.79%)

7.43 (1.19-82.16)

0.029

Intramural hematoma

32 (7.14%)

20 (23.81%)

12 (21.43%)

1.45 (0.50-2.69)

0.742

Total cerebral infarct

118 (84.29%)

72 (85.71%)

46 (82.14%)

1.30 (0.50-3.16)

0.570

TIA

5 (3.57%)

4 (4.16%)

1 (1.79%)

2.75 (0.43-34.19)

0.353

SAH

4 (2.86%)

2 (2.38%)

2 (3.57%)

0.66 (0.11-4.32)

0.679

Basal ganglia

38 (27.14%)

38 (45.24%)

0 (0%)

--(11.611- --)

<0.001

Frontal lobe

38 (27.15%)

38 (45.24%)

0 (0%)

--(12.80- --)

<0.001

Parietal lobe

30 (21.43%)

30 (35.71%)

0 (0%)

--(8.53- --)

<0.001

Temporal lobe

26 (18.57%)

26 (30.95%)

0 (0%)

--(6.81- --)

<0.001

Occipital lobe

10 (7.14%)

10 (11.90%)

0 (0%)

--(2.12- --)

<0.001

Thalamus

2 (1.43%)

0 (0%)

2 (3.57%)

0.66 (0.10-4.32)

0.081

Cerebellum

13 (9.29%)

0 (0%)

13 (23.21%)

0.00 (0.00-0.16)

<0.001

Medulla oblongata

21 (15.00%)

0 (0%)

15 (37.5%)

0.00 (0.00-0.08)

<0.001

Pons

8 (5.71%)

0 (0%)

8 (14.29%)

0.00 (0.00-0.28)

<0.001

Hemorrhagic transformation

18 (15.25%)

11 (15.28%)

7 (15.22%)

1.06 (0.37-2.73)

0.993

  1. TIA transient ischemic attack, SAH subarachnoid hemorrhage