Table 2 Characteristics of patients with and without postoperative CHS after combined cerebral revascularization (n, %)

Age (years old)

40.05 ± 9.34

38.42 ± 11.21

0.567

Gender (male)

71 (48%)

6 (50%)

1

Clinical type

0.537

 Ischemic

91 (61.5%)

9 (75%)

 Hemorrhagic

57 (38.5%)

3 (25%)

Hypertension

55 (37.2%)

5 (41.7%)

0.764

Diabetes

21 (14.2%)

0(0%)

0.369

Smoking

19 (12.8%)

2 (16.7%)

0.659

Mean mRS on admission

1.16 ± 0.61

1.25 ± 0.62

0.609

Suzuki stage

0.103

 Early

21 (14.2%)

0 (0%)

 Moderate

78 (52.7%)

10(83.3%)

 Advanced

49 (33.1%)

2 (16.7%)

Moyamoya vessels

0.032^a

0.046^a

3.04 (1.02–9.03)

 None

26 (17.6%)

1 (8.3%)

 Sparse

66 (44.6%)

2 (16.7%)

 Dense

56 (37.8%)

9 (75%)

Pre-infarction stage

0.070

0.368

1.28 (0.75–2.19)

 I

12 (8.1%)

0 (0%)

 II

55 (37.2%)

4 (33.3%)

 III

65 (43.9%)

4 (33.4%)

 IV

16 (10.8%)

4 (33.5%)

Operative side (left) 86 (58.1%)

11 (91.7%)

0.029^a

0.041^a

5.16 (1.09–21.34)

Bypass patency

147 (99.3%)

12 (100%)

1