| V65 Rectum | ANOVA test (P value) | |
| Group | Mean ± SD | |
| 7B1 | 34.99 ± 16.08 | 0.8050 |
| 7B2 | 36.03 ± 17.16 | |
| 7B3 | 35.59 ± 17.36 | |
| 5B1 | 41.88 ± 19.21 | |
| 5B2 | 40.42 ± 17.35 | |
| 5B3 | 44.64 ± 23.05 | |