Correlation between signal change of MRV and velocity change of flow analysis (right sigmoid sinus)
| MR venography | Total | |||
|---|---|---|---|---|
| RB < BH | RB >= BH | |||
| Flow Analysis | RB < BH | 4 | 11 | 15 |
| RB > BH | 8 | 84 | 92 | |
| Total | 12 | 95 | 107 | |
Data represent the number of patients.
(RB, regular breathing; BH, breath-holding)