a trend toward significanceP = .071
showed a trendP = .071
MRA Grade 3 stenosis showed a trend toward significance (HR 2.56, 95% CI: 0.92–7.13, P = .071). 3.6.
MRA Grade 3 stenosis showed a trend toward significance (HR 2.56, 95% CI: 0.92–7.13, P = .071). 3.6.
The DWI+/ASL- pattern showed an intermediate stroke rate of 12.5% (1/8), though this difference did not reach statistical significance compared with the reference group (χ 2 = 0.57, P = .451).