Table 2 Systematic and random errors for displacement of the three points of interest for the right seminal vesicle (RSV) and left seminal vesicle (LSV)
Direction | Whole LSV | Whole LSV* (long) | Inferior 2.5 cm LSV* | LSV tip | Whole RSV | Whole RSV* (long) | Inferior 2.5 cm RSV* | RSV tip | Whole SV† | Inferior 2.5 cm SV† | SV tip† | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Systematic error (mm) (∑) | LR | 1.5 | 1.3 | 1.3 | 3.3 | 2.1 | 1.6 | 1.7 | 4.4 | 1.9 | 1.9 | 4.2 |
AP | 2.7 | 3.1 | 2.7 | 3.9 | 3.0 | 3.2 | 3.6 | 4.2 | 2.9 | 2.9 | 4.0 | |
SI | 3.1 | 3.4 | 3.5 | 4.0 | 4.1 | 3.3 | 3.1 | 5.8 | 3.6 | 3.5 | 5.0 | |
Random error (mm) (σ) | LR | 1.3 | 1.3 | 1.3 | 3.3 | 1.5 | 1.6 | 1.5 | 3.9 | 1.4 | 1.4 | 3.6 |
AP | 2.7 | 2.9 | 2.9 | 4.0 | 2.7 | 2.7 | 2.8 | 4.1 | 2.7 | 2.8 | 4.1 | |
SI | 2.1 | 2.1 | 2.1 | 3.5 | 2.1 | 2.3 | 2.2 | 3.5 | 2.1 | 2.1 | 3.5 | |
van Herk Margin (mm) | LR | 4.7 | 4.2 | 4.2 | 6.3 | 5.1 | 5.3 | 5.7 | 5.7 | |||
AP | 8.6 | 9.8 | 8.8 | 9.4 | 9.9 | 11.0 | 9.1 | 9.2 | ||||
SI | 9.2 | 10.0 | 10.2 | 11.7 | 9.9 | 9.3 | 10.5 | 10.2 |