Table 3 Aneurysm with dauthger scas observation: TOF MRA.
From: Silent magnetic resonance angiography diagnostic value of intracranial unruptured aneurysms
 |  | DSA | ||
---|---|---|---|---|
 |  | Positive | Negative | Amount to |
TOF | Positive | 2 | 0 | 2 |
Negative | 3 | 36 | 39 | |
 | Amount to | 5 | 36 | 41 |