Evaluation of surgical revascularization procedure outcomes for adult Moyamoya disease: a computed tomography perfusion-based study

Insights into Imaging

Table1 Preoperative and postoperative demographics of patients with adult Moyamoya disease

Characteristic	STA-MCA (n = 41)	EDAS (n = 43)	Value	p value
Age (mean ± SD), years	44.7 ± 9.7	45.2 ± 8.6	0.240	0.811^a
Sex			0.429	0.513^b
Male	22 (53.7)	20 (46.5)
Female	19 (46.3)	23 (53.5)
Preoperative clinical symptoms			1.407	0.235^b
Ischemia	34 (82.9)	31 (72.1)
Hemorrhage	7 (17.1)	12 (27.9)
Surgical side			0.444	0.505^b
Lt	18 (43.9)	22 (51.2)
Rt	23 (56.1)	21 (48.8)
Suzuki stage			0.156	0.876^c
II	4 (9.8)	5 (11.6)
III	21 (51.2)	23 (53.5)
IV	10 (24.4)	6 (14.0)
V	6 (14.6)	9 (20.9)
Preoperative mRS score	1 (1.2)	1 (1.2)	0.281	0.778^c
Clinical outcome			2.128	0.033^c
Poor	3 (7.3)	8 (18.6)
Fair	5 (12.2)	10 (23.3)
Good	9 (21.9)	8 (18.6)
Excellent	24 (58.5)	17 (39.5)
Revascularization grade			0.666	0.506^c
Grade 0	5 (12.2)	8 (18.6)
Grade 1	10 (24.4)	10 (23.3)
Grade 2	18 (43.9)	18 (41.9)
Grade 3	8 (19.5)	7 (16.3)
Postoperative mRS score	0 (0.1)	0 (0.1)	1.193	0.233^c
Postoperative follow-up (months)	6.4 ± 0.6	6.5 ± 0.7	0.873	0.385^a

STA-MCA superficial temporal artery-middle cerebral artery, EDAS encephaloduroarteriosynangiosis, mRS Modified Rankin Scale
^at-test
^bχ² test
^cWilcoxon’s rank-sum test