Table 1 Clinical and imaging data of 106 patients with AIS

Gender

 Male

69 (65.1%)

 Female

37 (34.9%)

Time to stroke onset (hours)

 < 4.5

58 (54.7%)

 4.5 ~ 6

48 (45.3%)

Admission NIHSS score (points)

 1 ~ 4

5 (4.7%)

 5 ~ 15

37 (34.9%)

 16 ~ 20

34 (32.1%)

 21 ~ 42

30 (28.3%)

Location of vascular lesion

The anterior cerebral artery A1 segment/middle cerebral artery M1 segment

47 (44.3%)

The anterior cerebral artery A2-A5 segment/middle cerebral artery M2-M5 segment

59 (55.7%)

Vascular grading

Deep region

Superficial region

 0

5 (4.7%)

0 (0.0%)

 1

4 (3.8%)

12 (11.3%)

 2

13 (12.3%)

10 (9.4%)

 3

28 (26.4%)

27 (25.5%)

 4

3 (2.8%)

34 (32.1%)

 5

0 (0.0%)

8 (7.5%)

 Negative

53 (50.0%)

15 (14.2%)