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Three analyzed categories and their respective scores in the evaluation of the Power Doppler signals
| Category/Score | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| Signal strength |
No signal |
Red |
Orange |
Yellow |
| Dark Blue |
Blue |
Peacock Blue |
||
| Vessel area (mm2) |
No signal |
1 |
2 to 3 |
>3 |
| Number of vessels | No signal | 1 | 2 to 3 | >3 |
The Power Doppler signal strength was observed in different colors due to differences in the blood flow direction.
