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Relative CNR compared to omnipaque: at 1000 micron, CNR are displayed as a percentage of omnipaque CNR.
| Embolic | CNR | Percentage of Omnipaque CNR |
|---|---|---|
| NBCA | 34.1 | 99.6% |
| Onyx 18 | 28.2 | 82.4% |
| Onyx 34 | 28.1 | 82.2% |
| PHIL25 | 15.4 | 45% |
| PHIL30 | 18.9 | 55.4% |
| Squid 12 | 17.8 | 52% |
| Squid 18 | 18.9 | 55.4% |
NBCA: nonradiopaque acrylic glue; CNR: contrast to noise ratio
