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. 2021 Sep 20;16:182. doi: 10.1186/s13014-021-01906-2

Table 7.

Comparison of TCP and NTCP variables in three techniques of DP, IMRT, and 3DCRT

Radiobiologic variable Structure DP IMRT 3DCRT 95% CI of difference/ Mean Rank
Mean ± SD Mean ± SD Mean ± SD DP versus IMRT DP versus 3DCRT IMRT versus 3DCRT
TCP (%) PTV1 72.39 ± 1.57 70.52 ± 1.47 70.17 ± 1.99 0.5828 to 3.162* 0.9328 to 3.512* − 0.9397 to 1.640
PTV2 89.9 ± 1.2 70.52 ± 1.47** 70.17 ± 1.99** 18.24 to 20.52*` 18.59 to 20.87* − 0.8446 to 1.545
PTV3 91.86 ± 1.02 70.52 ± 1.47** 70.17 ± 1.99** 19.80 to 22.87* 20.15 to 23.22* − 0.9044 to 1.604
NTCP (%) Bladder 5.4 ± 2.1 4.8 ± 2 13.31 ± 4.4 − 1.867 to 3.027 − 10.35 to − 5.460* − 11.07 to − 5.908*
Rectum 16.54 ± 2.9 19.2 ± 3.7 43.27 ± 4.4 − 5.575 to 0.1254 − 29.58 to − 23.88* − 26.86 to − 21.15*
Right femur head 0.0002 ± 0.0004 0.005 ± 0.01 1.87 ± 0.98 − 2.56  − 23.31* − 20.75*
Left femur head 0.0001 ± 0.0003 0.003 ± 0.01 1.7 ± 0.46 − 1.5 − 24.74* − 23.25*

*Significant difference

**PTV2 and PTV3 were not considered for the IMRT and 3DCRT procedures. Hence, PTV1 values were considered as PTV2 and PTV3 values in IMRT and 3DCRT procedures