Agreement for patients treated by radiosurgery or embolization
| Parameters by Modality of Treatment | Residual Nidus | Residual Venous Drainage |
|---|---|---|
| Radiosurgery alone (n = 8) | ||
| Interobserver agreement for 4D-MRA | 1.00 (1.00–1.00) | 1.00 (1.00–1.00) |
| Interobserver agreement for DSA | 1.00 (1.00–1.00) | 1.00 (1.00–1.00) |
| Intermodality agreement between 4D-MRA and DSA | 1.00 (1.00–1.00) | 1.00 (1.00–1.00) |
| Embolization then radiosurgery (n = 14) | ||
| Interobserver agreement for 4D-MRA | 0.75 (0.43–1.00) | 0.75 (0.43–1.00) |
| Interobserver agreement for DSA | 0.50 (0.08–0.92) | 0.75 (0.43–1.00) |
| Intermodality agreement between 4D-MRA and DSA | 0.49 (0.06–0.92) | 0.50 (0.08–0.92) |
| Embolization alone (n = 8) | ||
| Interobserver agreement for 4D-MRA | 0.50 (0.00–1.00) | 1.00 (1.00–1.00) |
| Interobserver agreement for DSA | 0.50 (0.00–1.00) | 0.20 (0.00–0.81) |
| Intermodality agreement between 4D-MRA and DSA | 0.50 (0.00–1.00) | 0.50 (0.00–1.00) |
Note:—Data are given as percent (95% CI).