Table 2.
Descriptive volumes analysis and evaluated indices. Legend: LAM: Levator ani muscle; PRM: Puborectalis muscle; IAS: Internal anal sphincter; EAS: External anal sphincter; BBT: Bladder base and trigone; BN: Bladder neck; R: right; L: left; IBM: Iliac Bone Marrow; LPBM: Lower Pelvis Bone Marrow; LSBM: Lumbosacral Bone Marrow; DCS: Dice similarity coefficient; JCS: Jaccard Similarity Coefficient; HD: Hausdorff distance; MDA: mean distance to agreement.
| T2 Weighted MRI | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Volume (cm3) | DSC | JSC | Max HD (mm) | MDA (mm) | ||||||
| Mean ± SD | Range | Mean ± SD | Range | Mean ± SD | Range | Mean ± SD | Range | Mean ± SD | Range | |
| LAM | 16.6 ± 6.54 | 4.71––29.03 | 0.345 ± 0.07 | 0.24–0.49 | 0.21 ± 0.05 | 0.13–0.33 | 32.65 ± 1.47 | 30.25–35.42 | 6.13 ± 1.34 | 4.23–9.15 |
| PRM | 12.39 ± 5.65 | 6.12–29.0 | 0.41 ± 0.10 | 0.21–0.50 | 0.26 ± 0.08 | 0.11–0.33 | 33.61 ± 3.40 | 25.70–37.85 | 4.26 ± 2.07 | 3.02–9.54 |
| IAS | 17.93 ± 7.98 | 10.87–37.89 | 0.4 ± 0.07 | 0.27–0.5 | 0.25 ± 0.047 | 0.2–0.34 | 22.02 ± 8.21 | 0.96–32.59 | 4.31 ± 1.84 | 1.63–7.32 |
| EAS | 19.09 ± 5.56 | 15.01–32.77 | 0.605 ± 0.05 | 0.5–0.66 | 0.44 ± 0.05 | 0.33–0.49 | 14.5 ± 4.08 | 11.75–24.31 | 1.61 ± 0.25 | 1.35–2.23 |
| BBT | 3.92 ± 4.54 | 1.71–8.46 | 0.515 ± 0.08 | 0.4–0.66 | 0.345 ± 0.08 | 0.24–0.49 | 7.37 ± 2.13 | 6.01–12.52 | 1.54 ± 0.48 | 1.19–2.81 |
| BN | 3.61 ± 1.80 | 1.91–8.13 | 0.49 ± 0.18 | 0.24–0.84 | 0.32 ± 0.17 | 0.13–0.72 | 8.05 ± 3.09 | 4.02–14.29 | 2.21 ± 1.10 | 0.64–4.06 |
| Vagina | 22.4 ± 9.10 | 7.39–44.5 | 0.575 ± 0.13 | 0.38–0.81 | 0.395 ± 0.13 | 0.23–0.67 | 17.895 ± 5.65 | 7.47–28.71 | 3.23 ± 1.37 | 1.24–5.98 |
| Ovary R | 3.095 ± 1.59 | 1.58–6.87 | 0.61 ± 0.16 | 0.4–0.83 | 0.43 ± 0.17 | 0.25–0.71 | 15.45 ± 5.09 | 4.97–18.73 | 2.78 ± 1.37 | 0.81–4.38 |
| Ovary L | 4.08 ± 1.04 | 2.29–6.85 | 0.72 ± 0.05 | 0.62–0.79 | 0.56 ± 0.06 | 0.45–0.65 | 6.61 ± 1.78 | 4.02–10.47 | 1.3 ± 0.29 | 0.89–1.84 |
| Planning CT | ||||||||||
| IBM | 371.02 ± 19.76 | 355.64–412.83 | 0.9 ± 0.02 | 0.86–0.94 | 0.82 ± 0.03 | 0.76–0.88 | 7.38 ± 2.04 | 4.14–11.06 | 0.77 ± 0.15 | 0.48–1.00 |
| LPBM | 510.23 ± 22.15 | 465.98–557.27 | 0.91 ± 0.01 | 0.88–0.94 | 0.84 ± 0.02 | 0.79–0.88 | 14.59 ± 1.81 | 0.85–16.81 | 0.92 ± 0.14 | 0.68–1.24 |
| LSBM | 350.32 ± 37.54 | 257.72–391.77 | 0.79 ± 0.03 | 0.76–0.86 | 0.65 ± 0.04 | 0.61–0.76 | 27.28 ± 3.77 | 20.39–33.96 | 2.91 ± 0.47 | 1.75–3.47 |