Distribution of MRA and TCD abnormalities in MCA and ICA
MRA . | Bilateral . | TCD Left . | Right . | Total . |
|---|---|---|---|---|
| Bilateral abnormality | 2 | 1 | 0 | 3 |
| Left abnormality | 5 | 7 | 2 | 14 |
| Right abnormality | 0 | 2 | 1 | 3 |
| Normal | 22 | 34 | 23 | 79 |
| Inevaluable | 1 | 0 | 0 | 1 |
| Total | 31 | 43 | 26 | 100 |
MRA . | Bilateral . | TCD Left . | Right . | Total . |
|---|---|---|---|---|
| Bilateral abnormality | 2 | 1 | 0 | 3 |
| Left abnormality | 5 | 7 | 2 | 14 |
| Right abnormality | 0 | 2 | 1 | 3 |
| Normal | 22 | 34 | 23 | 79 |
| Inevaluable | 1 | 0 | 0 | 1 |
| Total | 31 | 43 | 26 | 100 |
The inevaluable MRA finding with bilateral TCD abnormalities was classified as severe MRA for the study, but it could not be classified as right, left, or bilateral MRA.