Table 1. The baseline characteristics of the subjects.

Characteristic	Total	Learning group (training + validating)	Testing group
Moyamoya disease group	50	40 [80]	10 [20]
Age (years), median (IQR)	39.5 (31.25–49.5)	41.0 (31.75–50.0)	33.0 (28.25–42.25)
Sex (female), n [%]	31 [62]	24 [60]	7 [70]
MRA grade, n
1	1	1	0
2	26	23	5
3	18	12	3
4	5	4	2
Control group, n [%]	50	40 [80]	10 [20]
Age (years), median (IQR)	39.0 (34.0–44.0)	38.5 (33.75–43.25)	41.0 (34.5–45.75)
Sex (female), n [%]	23 [46]	17 [43]	6 [60]

IQR, interquartile range; MRA, magnetic resonance angiography.