Table 1 Comparison of results with each plan.
parameters | GrO | IPSA1 | IPSA2 | IPSA1-0 | IPSA2-0 | p value |
|---|---|---|---|---|---|---|
D100(Gy) | 3.2 ± 0.5 | 3.1 ± 0.6 | 3.5 ± 0.5a,c,d | 3.4 ± 0.5a,c,d | 3.6 ± 0.5a,b,c | 0.042 |
D90(Gy) | 5.2 ± 0.6 | 5.0 ± 0.6e | 5.4 ± 0.6a | 5.2 ± 0.6b,d | 5.4 ± 0.6a | 0.038 |
V100(%) | 66.2 ± 8.8 | 62.7 ± 9.7e | 68.0 ± 9.4a | 65.9 ± 8.8b,d | 68.8 ± 9.2a | 0.036 |
V150(%) | 35.9 ± 5.8 | 33.4 ± 6.7e | 35.8 ± 5.6 | 34.7 ± 5.5e | 36.2 ± 5.6 | 0.022 |
V200(%) | 21.9 ± 3.5 | 19.6 ± 3.7e | 21.4 ± 3.4 | 20.7 ± 3.5e | 21.7 ± 3.4 | 0.041 |
CNI | 0.62 ± 0.08e | 0.57 ± 0.09e | 0.59 ± 0.09 | 0.58 ± 0.08 | 0.60 ± 0.09 | 0.042 |
CI | 0.94 ± 0.06e | 0.91 ± 0.04e | 0.87 ± 0.06 | 0.89 ± 0.04e | 0.87 ± 0.06 | 0.016 |
Bladder2cc(Gy) | 4.4 ± 0.1e | 4.5 ± 0.03 | 4.5 ± 0.07 | 4.5 ± 0.04 | 4.5 ± 0.08 | 0.027 |
Rectum2cc(Gy) | 3.6 ± 0.4 | 3.4 ± 0.4e | 3.5 ± 0.4 | 3.5 ± 0.4 | 3.6 ± 0.4 | 0.044 |
Sigmoid2cc(Gy) | 2.7 ± 1.0 | 2.5 ± 0.9 | 2.7 ± 1.0 | 2.7 ± 1.0 | 2.8 ± 1.0 | 0.653 |
Total dwell time(s) | 587.1 ± 304.9e | 565.1 ± 289.4e | 632.0 ± 324.8 | 602.7 ± 305.5e | 643.0 ± 330.3 | 0.002 |
Max dwell time(s) | 54.2 ± 66.9 | 50.8 ± 35.5 | 68.0 ± 35.5 | 111.8 ± 75.4e | 74.2 ± 53.1 | 0.000 |
SD of dwell time (s) | 12.6 ± 13.7 | 13.3 ± 9.2 | 18.0 ± 15.3a,c | 22.8 ± 14.7e | 19.0 ± 13.2a,c | 0.003 |