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Table 3 Comparisons of dosimetric characteristics

From: Development of a semi-customized tongue displacement device using a 3D printer for head and neck IMRT

Parameters SMP SCTDD p-value
Tonsil Cancer P_GTV D2% (Gy) 68.5 (68.3, 68.6) 68.3 (68.0, 68.4) 0.205
D98% (Gy) 65.7 (65.6, 65.7) 65.7 (65.6, 65.7) 0.750
D50% (Gy) 67.3 (67.2, 67.3) 67.1 (67.1, 67.2) 0.250
HI 0.042 (0.039, 0.043) 0.039 (0.034, 0.042) 0.250
P_CTV D2% (Gy) 68.1 (68.0, 68.1) 67.9 (67.7, 67.9) 0.250
D98% (Gy) 59.5 (58.8, 59.8) 58.5 (58.4, 59.2) 0.250
D50% (Gy) 63.5 (63.3, 63.8) 63.0 (62.5, 63.6) 0.250
HI 0.136 (0.131, 0.144) 0.149 (0.136, 0.152) 0.250
Oral Cavity cancer P_CTV D2% (Gy) 62.2 (61.8, 62.3) 62.0 (61.7, 62.2) 0.125
D98% (Gy) 58.7 (58.6, 58.8) 58.7 (58.7, 58.8) 0.875
D50% (Gy) 60.9 (60.6, 61.0) 60.8 (60.6, 61.0) 0.375
HI 0.058 (0.050, 0.060) 0.054 (0.048, 0.058) 0.625
Parotid glands Dmean (Gy) 15.3 (13.4, 15.7) 15.5 (13.1, 16.9) 0.578
P-cord Dmax (Gy) 26.6 (24.7, 30.7) 27.1 (23.4, 30.5) 0.938
Brainstem Dmax (Gy) 19.1 (15.0, 22.3) 21.3 (15.5, 23.4) 0.469
  1. Values are presented as median (IQR Q1, Q3)