Item

Watershed infarction (n = 42)

Non-watershed infarction (n = 136)

t value/χ² value

P value

Age (year, ± s)

68.2 ± 9.8

67.6 ± 9.2

0.702

0.338

Gender (male/female)

96/40

31/11

0.163

0.687

Stroke risk factors (n, %)

Hypertension

16 (38.1)

63 (46.3)

0.880

0.348

Hyperlipidemia

12 (28.6)

40 (29.4)

0.011

0.917

Diabetes

8 (19.0)

37 (27.2)

1.131

0.288

Hyperhomocysteinemia

12 (28.6)

35 (25.7)

0.133

0.716

Smoking

10 (23.8)

46 (33.8)

1.492

0.222

Time interval from onset to hospital admission (h, ± s)

36.69 ± 20.81

16.69 ± 8.23

9.164

0.000

Baseline systolic blood pressure (mmHg, ± s)

141.81 ± 25.84

161.06 ± 13.45

4.538

0.000

Baseline diastolic blood pressure (mmHg, ± s)

83.36 ± 15.20

86.31 ± 9.92

1.470

0.143

NIHSS score (score, ± s)

On hospital admission

2.33 ± 1.69

4.21 ± 2.39

4.729

0.000

1 week later

1.64 ± 1.19

4.88 ± 4.44

4.660

0.000