Characteristics

Stable MIS (N = 144)

progressive

MIS

P Value

AP-MIS

(N = 13)

CP-MIS

(N = 90)

Male gender (%)

73 (50.7)

9 (69.2)

40 (44.4)

0.460

Median age, years (range)

57 (40 - 84)

74 (65 - 83)

61 (42 - 85)

0.001

Residing in villages or towns

135 (93.8)

12 (92.3)

85 (94.4)

0.948

Residing in county urban

9 (6.2)

1 (7.7)

5 (5.6)

0.948

Median episode duration, days (range)

8.6 (1017)

2.5 (5)

180 (2879)

0.001

SBP

151.3 ± 20.7

164.9 ± 23.3

150.6 ± 22.8

0.139

DBP

96.3 ± 10.1

94.8 ± 10.2

95.4 ± 13.3

0.713

Blood glucose (mmol/l, mean ± SD)

5.7 ± 1.6

5.6 ± 1.5

5.9 ± 2.3

0.649

Migraine/headache (%)

34 (23.6)

1 (7.7)

21 (22.3)

0.336

its TIAs or TNAs (%)

30 (88.2)

0 (0.0)

21 (100.0)

0.151

Dizziness/vertigo (%)

52 (36.1)

5 (38.5)

18 (20.0)

0.023

its TIAs or TNAs (%)

46 (88.5)

0 (0.0)

18 (100.0)

0.007

Headache and dizziness (%)

34 (23.6)

4 (30.8)

31 (34.4)

0.194

its TNAs (%)

26 (76.5)

0 (0.0)

28 (90.3)

0.009

Pure sensory stroke (%)

16 (11.1)

2 (15.4)

15 (16.7)

0.414

its TIAs

13 (81.3)

0 (0.0)

10 (66.7)

0.429

Pure motor hemiparesis (%)

3 (2.1)

6 (46.1)

1 (1.1)

0.001

Gait disorderss (%)

8 (5.6)

2 (15.4)

9 (10.0)

0.317

Miscellaneous (%)

4 (2.8)

0 (0.0)

2 (2.2)

0.787

Single LI (%)

19 (15.0)

0 (0.0)

0 (0.0)

0.001

Chronic lacunes (%)

0 (0)

0 (0)

4 (4.4)

0.024

Leukoaraiosis (%)

2 (0.14)

1 (7.7)

13 (14.4)

0.001

Normal pressure hydrocephalus (%)

0 (0)

0 (0)

5 (5.6)

0.009

Initial median lesions number (range)

5.5 (18)

25 (105)

9 (80)

0.001

Initial median infarcts volume (cm³, range)

0.3 (4.5)

4.1 (9)

0.9 (8)

0.001

Initial median NIHSS score (range)

0.1 (3)

1 (3)

0.2 (3)

0.001

Initial median ABCD2 score (range)

4.5 (6)

5.3 (6)

4.8 (7)

0.014

Followed median mRS score (range)

0.2 (1)

3.0 (6)

2 (6)

0.001

Mortality (%)

0 (0)

1 (7.7)

1 (1.1)

0.074