Table 2.
Calculation of difference in segmentable volume between markers created by a given injection volume
| 10 µl | 20 µl | 30 µl | 40 µl | |
|---|---|---|---|---|
| 20 µl | ||||
| CT soft tissue | 95.70% | |||
| CT bone | 93.93% | |||
| CBCT | 90.65% | |||
| 30 µl | ||||
| CT soft tissue | 99.03% | 85.73% | ||
| CT bone | 99.11% | 83.73% | ||
| CBCT | 97.49% | 84.34% | ||
| 40 µl | ||||
| CT soft tissue | 99.74% | 94.77% | 73.87% | |
| CT bone | 99.47% | 92.33% | 73.42% | |
| CBCT | 99.22% | 94.52% | 76.75% | |
| 50 µl | ||||
| CT soft tissue | 99.73% | 97.49% | 89.67% | 79.12% |
| CT bone | 99.88% | 97.76% | 89.89% | 75.97% |
| CBCT | 99.28% | 96.84% | 89.00% | 75.69% |
Results for computation of the probability that an observation of the upper injection volume is greater than a border line between lower and upper injection limit.
With norm intervals containing 97.5% of observations, reliable differentiation between marker volumes is possible for values > 97.5%.