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Summary of regional and global CVR between matched NSA subjects and OSA patients: (A) Global CVR derived from tCBF and SSS blood flow velocity and (B) regional CVR derived from BOLD.
| (A) | |||
| CVR (global) | NSA (n = 23) | OSA (n = 37) | P-value |
|---|---|---|---|
| tCBF-based (mL/min2/100 g brain) | 60.0 (20.0) | 78.6 (29.6) | 0.010* |
| Velocity-based (cm/s2) | 0.36 (0.10) | 0.48 (0.18) | 0.014* |
Note: All values are mean (std).
*P < 0.025 and **P < 0.017.
CVR: cerebrovascular reactivity; GM: gray matter; WM: white matter.
