MRA alone and combined use of MRA and CTA versus conventional DSA
| Results at MR Angiography Alone and Combined Use of MR Angiography and CT Angiography* | Results at Conventional DSA | Total (n = 198) | ||||
|---|---|---|---|---|---|---|
| 0%–29% (n = 170) | 30%–49% (n = 10) | 50%–69% (n = 8) | 70%–99% (n = 5) | 100% (n = 5) | ||
| 0%–29% | 142/166 | 1/0 | 0/0 | 0/0 | 0/0 | 143/166 |
| 30%–49% | 15/4 | 5/9 | 0/0 | 0/0 | 0/0 | 20/13 |
| 50%–69% | 9/0 | 3/1 | 4/7 | 0/0 | 0/0 | 16/8 |
| 70%–99% | 4/0 | 1/0 | 4/1 | 4/5 | 0/0 | 13/6 |
| 100% | 0/0 | 0/0 | 0/0 | 1/0 | 5/5 | 6/5 |
* (MRA images alone)/(MRA images plus CTA images).