Tumor location† | Gross morphology | CIR | T stage | Tumor volume | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
>5 cm (n = 18) | ≤5 cm (n = 12) | P-value | No change (n = 8) | Change (n = 22) | P-value | No reduced (n = 20) | Reduced (n = 10) | P-value | No reduced (n = 22) | Reduced (n = 8) | P-value | No reduced (n = 26) | Reduced (n = 4) | P-value | |
MRP (mmHg) | 8.2 ± 26.9 | 20.7 ± 39.2 | 0.304 | 12.1 ± 24.5 | 13.6 ± 35.3 | 0.914 | 9.1 ± 25.4 | 21.5 ± 43.6 | 0.331 | 16.2 ± 32.6 | 4.9 ± 32.3 | 0.404 | 12.4 ± 33.8 | 18.6 ± 23.5 | 0.726 |
R asymmetry (%) | −3.8 ± 5.9 | 1.5 ± 23.7 | 0.371 | −3.5 ± 5.0 | −1.1 ± 17.9 | 0.700 | −3.7 ± 5.7 | 2.5 ± 26.0 | 0.311 | −10.1 ± 15.9 | −3.4 ± 15.5 | 0.731 | −2.2 ± 16.6 | 1.5 ± 3.1 | 0.670 |
MSP (mmHg) | 39.5 ± 73.4 | 99.6 ± 261.9 | 0.362 | 21.9 ± 73.4 | 78.6 ± 197.1 | 0.438 | 35.2 ± 71.8 | 120.1 ± 284.1 | 0.212 | 74.6 ± 196.5 | 33.1 ±85.8 | 0.571 | 63.2 ± 184.2 | 65.5 ± 89.9 | 0.981 |
S asymmetry (%) | −0.7 ± 4.3 | 3.6 ±18.5 | 0.348 | 0.3 ± 3.8 | 1.3 ± 13.9 | 0.843 | −1.2 ± 4.5 | 5.4 ± 19.8 | 0.162 | 1.2 ± 13.9 | 0.4 ±3.6 | 0.869 | 0.8 ± 12.9 | 2.0 ±1.2 | 0.860 |
HPZ length at rest (cm) | −0.1 ± 0.6 | 0.08 ±0.7 | 0.345 | 0.2 ± 0.6 | −0.1 ± 0.6 | 0.140 | −0.08 ± 0.6 | 0.02 ± 0.7 | 0.677 | 0.1 ± 0.5 | −0.4 ±0.6 | 0.030 | 0.008 ±0.5 | −0.4 ±0.8 | 0.215 |
HPZ length at squeezing (cm) | −0.02 ± 0.8 | −0.2 ± 0.8 | 0.612 | 0.01 ± 1.0 | −0.1 ± 0.7 | 0.696 | −0.1 ± 0.9 | −0.02 ± 0.4 | 0.762 | −0.1 ± 0.8 | 0.06 ± 0.7 | 0.551 | −0.06 ± 0.6 | −0.3 ±0.3 | 0.658 |
RAIR (ml) | −2.2 ± 18.1 | −5.0 ± 15.1 | 0.663 | −7.5 ± 18.3 | −1.8 ± 16.2 | 0.419 | −4.0 ± 17.9 | −2.0 ± 14.7 | 0.763 | −7.3 ± 15.8 | 7.5 ± 14.8 | 0.029 | −4.6 ± 17.3 | 5.0 ±10.0 | 0.291 |
Rectal sensory threshold (ml) | |||||||||||||||
First | 8.3 ± 38.8 | 1.7 ±21.2 | 0.593 | 16.25 ± 56.6 | 1.8 ± 18.7 | 0.292 | 4.0 ± 10.5 | 9.0 ± 56.5 | 0.700 | 10.0 ± 32.9 | −6.2 ± 30.7 | 0.235 | 7.3 ±31.3 | −5.0 ±44.3 | 0.493 |
Desire to defecate | 9.4 ± 51.5 | 7.5 ± 51.9 | 0.920 | 31.3 ± 64.2 | 0.5 ± 43.8 | 0.145 | 19.5 ± 32.4 | −13.0 ± 72.9 | 0.099 | 21.8 ± 41.7 | −27.5 ± 58.5 | 0.016 | 15.4 ±45.3 | −35.0 ± 70.0 | 0.063 |
Maximal | 28.9 ± 55.2 | 25.8 ±49.4 | 0.878 | 41.3 ± 57.2 | 22.7 ± 50.6 | 0.399 | 36.5 ± 50.1 | 10.0 ± 54.2 | 0.194 | 30.9 ±58.1 | 18.8 ± 31.8 | 0.581 | 29.6 ± 54.9 | 15.0 ±30.0 | 0.610 |
Rectal compliance (ml/mmHg) | 0.2 ± 0.7 | −0.07 ± 0.5 | 0.283 | 0.1 ± 0.7 | 0.07 ± 0.7 | 0.794 | 0.2 ± 0.7 | −0.1 ± 0.5 | 0.206 | 0.1 ±0.7 | 0.006 ± 0.5 | 0.675 | 0.1 ± 0.7 | −0.3 ± 0.5 | 0.223 |