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Table 1 Characteristics of the study population according to outcomes at 3 months

From: Clinical and radiological factors associated with unfavorable outcome after intravenous thrombolysis in patients with mild ischemic stroke

 

All patients (n = 121)

mRS = 0–1 (n = 75)

mRS = 2–6 (n = 46)

P-value

Age (mean ± SD)

63.4 ± 11.3

63.2 ± 10.5

63.8 ± 12.6

0.769

Sex, n(%)

   

0.490

 Men

85(70.2)

51(68)

34(73.9)

 

 Female

36(29.8)

24(32)

12(26.1)

 

Risk factor, n(%)

    

 Hypertension

61(50.8)

36(48.6)

25(54.3)

0.544

 Diabetes

33(27.3)

14(18.7)

19(41.3)

0.007

 Hyperlipidemia

17(14)

7(9.3)

10(21.7)

0.057

 Atrial fibrillation

22(18.2)

16(21.3)

6(13)

0.251

 Current smoking

31(25.6)

20(26.7)

11(23.9)

0.736

 Previous coronary artery disease

14(11.6)

10(13.3)

4(8.7)

0.564

 Previous stroke or TIA

11(9.1)

6(8.0)

5(10.9)

0.746

NIHSS on admission, (med, IQR)

4[3–5]

4[2–4]

4[3–5]

0.003

                             (mean ± SD)

3.6 ± 1.2

3.4 ± 1.2

4.0 ± 1.1

0.004

Onset to rt-PA time, (mean± SD)

143.1 ± 61.4

141.6 ± 57.9

145.6 ± 67.2

0.728

Blood glucose on admission, mg/dL

143.4 ± 52.6

134.7 ± 44.9

157.6 ± 61.0

0.019

Initial systolic blood pressure, mmHg

145.6 ± 26.3

145.4 ± 27.9

145.8 ± 23.5

0.924

Etiologic stroke subtypes, n(%)

   

0.302

 Small vessel disease

25(20.7)

13(17.3)

12(26.1)

0.248

 Large artery disease

36(29.8)

22(29.3)

14(30.4)

0.298

 Cardiac embolism

34(28.1)

26(34.7)

8(17.4)

0.040

 Undetermined etiology

26(21.5)

14(18.7)

12(26.1)

0.335

Lesions on pretreatment DWI, n(%)

   

0.317

 Acute infarcts (+)

110(91.7)

67(89.3)

43(95.6)

 

 No lesions

10(8.3)

8(10.7)

2(4.4)

 

Lesion patterns on DWI, n(%)

    

 Perforating artery infarcts

27(22.3)

12(16)

15(32.6)

0.033

 Pial infarcts

51(42.1)

40(53.3)

11(23.9)

0.001

 Borderzone infarcts

6(5)

5(6.7)

1(2.2)

0.406

 Territorial infarcts

17(14)

10(13.3)

7(15.2)

0.772

 Perforating artery infarcts plus

20(16.5)

8(10.7)

12(26.1)

0.027

Deep MCA infarcts (PAI + PAI plus)

47(38.8)

20(26.7)

27(58.7)

< 0.001

Angiographic findings of relevant artery, n(%)

   

0.383

 No stenosis or occlusion

62(51.2)

42(56)

20(43.5)

 

 Stenosis (> 50%)

19(15.7)

10(13.3)

9(19.6)

 

 Occlusion

40(33.1)

23(30.7)

17(37)

 

Steno-occlusive disease, n(%)

59(48.8)

33(44)

26(56.5)

0.181

END, n(%)

14(11.6)

3(4)

11(23.9)

0.002

Symptomatic ICH, n(%)

2(1.7)

1(1.3)

1(2.2)

1.000

  1. TIA transient ischemic attack, DWI diffusion-weighted imaging, MCA middle cerebral artery, PAI perforating artery infarction, END early neurological deterioration, ICH intracranial hemorrhage