Table II.
Distribution of patients with/without MMD regarding the location of the STA bifurcation point relative to the zygomatic arch.
| Location of STA bifurcation pointa | Total (n=84) | MMD (n=42) | Non-MMD (n=42) | P-value |
|---|---|---|---|---|
| Above the upper edge of the zygomatic arch | 74 (88.1) | 37 (88.1) | 37 (88.1) | 1.000 |
| At the zygomatic arch | 9 (10.7) | 5 (11.9) | 4 (9.5) | |
| Below the lower edge of the zygomatic arch | 1 (1.2) | 0 (0.0) | 1 (2.4) |
a
As illustrated in Fig. 2. Values are expressed as n (%). MMD, moyamoya disease; STA, superficial temporal artery.