Table 3 Potential predictors of stroke recurrence in the ipsilateral MCA in univariate analyses

Age ≥ 65 years

15(53.6)

58(46.4)

0.535

1.3(0.6-2.8)

0.445

Male

21(75)

85(68)

0.651

1.4(0.6-3.3)

0.459

Hypertension

22(78.6)

84(67.2)

0.267

1.7(0.7-4.1)

0.276

Hypercholesterolemia

12(42.9)

63(50.4)

0.534

0.8(0.4-1.6)

0.487

Diabetes mellitus

10(35.7)

52(41.6)

0.672

0.8(0.4-1.8)

0.603

Smoking

15(53.6)

57(45.6)

0.531

1.3(0.6-2.8)

0.438

Asymptomatic ICAS

15(53.6)

59(47.2)

0.676

1.3(0.6-2.7)

0.514

Distributions of cerebral infarctions

 Perforating artery infarctions

9(32.1)

59(47.2)

0.207

0.6(0.3-1.3)

0.168

 Cortical infarctions

16(57.1)

62(49.6)

0.534

1.6(0.7-3.4)

0.241

 Internal border-zone infarctions

16(57.1)

64(51.2)

0.677

1.3(0.6-2.8)

0.438

NIHSS score at admission ≥ 4

11(39.3)

62(49.6)

0.404

0.9(0.4-2.0)

0.855

Poor MCA branch signal intensity

25(89.3)

93(74.4)

0.134

2.8(0.8-9.3)

0.091

 Grade C

18(64.3)

42(33.6)

0.005

3.2(1.5-6.9)

0.003

Discontinued antiplatelet drug

1(3.6)

6(4.8)

1.000

0.5(0.1-3.6)

0.481

Discontinued statin

4(14.3)

13(10.4)

0.554

1.2(0.4-3.1)

0.759