Table 4.
Results of Mann–Whitney U significance test, a two‐group unpaired significance test, for the nine subcomponents of the PQM scoring table and the PQM score total for each year of the treatment plan from 2012 to 2019. Items with statistically significant differences are in bold and underlined.
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|---|---|---|
| CTV V100% | ||||||||
| 2012 | x | 0.187 | 0.940 | 0.731 | 0.002 | <0.001 | 0.005 | 0.013 |
| 2013 | x | x | 0.205 | 0.389 | 0.041 | 0.016 | 0.140 | 0.330 |
| 2014 | x | x | x | 0.857 | 0.003 | 0.001 | 0.017 | 0.063 |
| 2015 | x | x | x | x | 0.018 | 0.007 | 0.069 | 0.141 |
| 2016 | x | x | x | x | x | 0.610 | 0.123 | 0.036 |
| 2017 | x | x | x | x | x | x | 0.252 | 0.017 |
| 2018 | x | x | x | x | x | x | x | 0.297 |
| 2019 | x | x | x | x | x | x | x | x |
| PTV excluding rectum D98% | ||||||||
| 2012 | x | 0.005 | 0.026 | 0.639 | 0.134 | 0.024 | 0.885 | 0.220 |
| 2013 | x | x | 0.385 | 0.001 | <0.001 | <0.001 | 0.002 | <0.001 |
| 2014 | x | x | x | 0.010 | 0.002 | <0.001 | 0.018 | 0.001 |
| 2015 | x | x | x | x | 0.145 | 0.083 | 0.810 | 0.411 |
| 2016 | x | x | x | x | x | 0.760 | 0.123 | 0.451 |
| 2017 | x | x | x | x | x | x | 0.046 | 0.283 |
| 2018 | x | x | x | x | x | x | x | 0.297 |
| 2019 | x | x | x | x | x | x | x | x |
| PTV excluding rectum D2% | ||||||||
| 2012 | x | 0.155 | 0.104 | 0.379 | 0.926 | 0.390 | 0.367 | 0.024 |
| 2013 | x | x | 0.891 | 0.427 | 0.324 | 0.346 | 0.316 | 0.326 |
| 2014 | x | x | x | 0.627 | 0.183 | 0.330 | 0.514 | 0.369 |
| 2015 | x | x | x | x | 0.420 | 0.973 | 0.915 | 0.149 |
| 2016 | x | x | x | x | x | 0.721 | 0.506 | 0.054 |
| 2017 | x | x | x | x | x | x | 0.975 | 0.043 |
| 2018 | x | x | x | x | x | x | x | 0.151 |
| 2019 | x | x | x | x | x | x | x | x |
| Rectum V75 Gy | ||||||||
| 2012 | x | 0.838 | 0.158 | 0.684 | 0.019 | 0.006 | <0.001 | <0.001 |
| 2013 | x | x | 0.157 | 0.610 | 0.029 | 0.002 | <0.001 | <0.001 |
| 2014 | x | x | x | 0.647 | 0.123 | 0.055 | 0.001 | 0.001 |
| 2015 | x | x | x | x | 0.216 | 0.027 | <0.001 | 0.009 |
| 2016 | x | x | x | x | x | 0.281 | 0.123 | 0.476 |
| 2017 | x | x | x | x | x | x | 0.214 | 0.755 |
| 2018 | x | x | x | x | x | x | x | 0.348 |
| 2019 | x | x | x | x | x | x | x | x |
| Rectum V70 Gy | ||||||||
| 2012 | x | 0.599 | 0.270 | 0.121 | 0.066 | <0.001 | <0.001 | <0.001 |
| 2013 | x | x | 0.599 | 0.387 | 0.324 | <0.001 | <0.001 | <0.001 |
| 2014 | x | x | x | 0.380 | 0.157 | <0.001 | <0.001 | <0.001 |
| 2015 | x | x | x | x | 0.471 | 0.007 | 0.001 | 0.003 |
| 2016 | x | x | x | x | x | 0.237 | 0.104 | 0.212 |
| 2017 | x | x | x | x | x | x | 0.465 | 0.987 |
| 2018 | x | x | x | x | x | x | x | 0.676 |
| 2019 | x | x | x | x | x | x | x | x |
| Rectum V60 Gy | ||||||||
| 2012 | x | 0.311 | 0.357 | 0.076 | 0.025 | <0.001 | <0.001 | <0.001 |
| 2013 | x | x | 0.758 | 0.362 | 0.207 | <0.001 | <0.001 | <0.001 |
| 2014 | x | x | x | 0.258 | 0.072 | <0.001 | <0.001 | <0.001 |
| 2015 | x | x | x | x | 0.420 | 0.066 | 0.015 | 0.002 |
| 2016 | x | x | x | x | x | 0.413 | 0.457 | 0.104 |
| 2017 | x | x | x | x | x | x | 0.849 | 0.298 |
| 2018 | x | x | x | x | x | x | x | 0.251 |
| 2019 | x | x | x | x | x | x | x | x |
| Rectum V40 Gy | ||||||||
| 2012 | x | 0.131 | 0.125 | 0.138 | <0.001 | <0.001 | <0.001 | <0.001 |
| 2013 | x | x | 0.758 | 0.981 | 0.022 | 0.001 | 0.003 | <0.001 |
| 2014 | x | x | x | 0.708 | 0.012 | <0.001 | 0.001 | <0.001 |
| 2015 | x | x | x | x | 0.033 | 0.006 | 0.007 | <0.001 |
| 2016 | x | x | x | x | x | 0.799 | 1.000 | 0.060 |
| 2017 | x | x | x | x | x | x | 0.899 | 0.064 |
| 2018 | x | x | x | x | x | x | x | 0.020 |
| 2019 | x | x | x | x | x | x | x | x |
| Bladder V65 Gy | ||||||||
| 2012 | x | 0.898 | 0.167 | 0.093 | 0.853 | 0.016 | 0.023 | 0.001 |
| 2013 | x | x | 0.379 | 0.066 | 0.477 | 0.008 | 0.022 | 0.003 |
| 2014 | x | x | x | 0.003 | 0.095 | <0.001 | 0.001 | <0.001 |
| 2015 | x | x | x | x | 0.216 | 0.410 | 0.421 | 0.194 |
| 2016 | x | x | x | x | x | 0.054 | 0.088 | 0.016 |
| 2017 | x | x | x | x | x | x | 0.751 | 0.882 |
| 2018 | x | x | x | x | x | x | x | 0.865 |
| 2019 | x | x | x | x | x | x | x | x |
| Bladder V40 Gy | ||||||||
| 2012 | x | 0.939 | 0.390 | 0.129 | 0.487 | 0.109 | 0.073 | 0.133 |
| 2013 | x | x | 0.472 | 0.152 | 0.324 | 0.083 | 0.044 | 0.028 |
| 2014 | x | x | x | 0.010 | 0.060 | 0.003 | <0.001 | <0.001 |
| 2015 | x | x | x | x | 0.672 | 0.811 | 0.668 | 0.728 |
| 2016 | x | x | x | x | x | 0.330 | 0.208 | 0.227 |
| 2017 | x | x | x | x | x | x | 0.874 | 0.780 |
| 2018 | x | x | x | x | x | x | x | 0.442 |
| 2019 | x | x | x | x | x | x | x | x |
| Total | ||||||||
| 2012 | x | 0.254 | 0.845 | 0.165 | 0.082 | <0.001 | <0.001 | <0.001 |
| 2013 | x | x | 0.568 | 0.056 | 0.029 | <0.001 | <0.001 | <0.001 |
| 2014 | x | x | x | 0.175 | 0.054 | <0.001 | <0.001 | <0.001 |
| 2015 | x | x | x | x | 0.611 | 0.017 | 0.009 | 0.004 |
| 2016 | x | x | x | x | x | 0.180 | 0.088 | 0.072 |
| 2017 | x | x | x | x | x | x | 0.751 | 0.564 |
| 2018 | x | x | x | x | x | x | x | 0.938 |
| 2019 | x | x | x | x | x | x | x | x |
PQM: plan quality metric.