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Table 2 Dose-volumetric data of target volumes

From: Multi-institutional comparison of treatment planning using stereotactic ablative body radiotherapy for hepatocellular carcinoma – benchmark for a prospective multi-institutional study

    A B C D
     Median (Min - Max)   
Practice-plan
GTV Dm50 (Gy) 55.2(52.6-55.8) 44.1(43.3-44.2) 49.0(44.2-55.5) 47.9 (46.6 - 48.5)
  Dm95 (Gy) 53.1(48.8-54.2) 42.7(41.3-43.7) 47.6(44.2-54.3) 47.2 (46.6 - 47.8)
  Dm98 (Gy) 52.3(47.8-53.8) 42.6(41.1-43.6) 47.5(43.9-54.0) 47.2 (46.4 - 47.7)
  Min (Gy) 50.0(49.3-53.1) 42.2(40.9-43.3) 46.8(43.1-53.4) 46.3 (39.6 - 47.0)
  Max (Gy) 57.1(57.1-57.1) 45.1(44.6-47.8) 51.8(50.9-57.2) 49.0 (41.2 - 49.7)
PTV Dm50 (Gy) 51.2(49.5-52.1) 43.6(42.7-44.0) 49.0(46.4-55.4) 47.7 (47.5 - 47.8)
  Dm95 (Gy) 41.2(41.0-41.5) 41.1(40.7-41.9) 46.5(43.2-53.4) 45.7 (45.5 - 46.5)
  Dm98 (Gy) 39.0(38.4-39.8) 40.5(39.8-41.3) 45.9(42.5-52.9) 45.3 (44.7 - 46.1)
  Min (Gy) 32.5(27.5-34.0) 37.1(35.4-37.3) 40.5(37.7-50.7) 43.7 (41.9 - 45.0)
  Max (Gy) 57.1(57.1-57.1) 45.2(44.7-48.9) 40.5(51.7-57.7) 43.7 (48.7 - 49.9)
HI    0.34(0.33-0.36) 0.10(0.08-0.19) 0.12(0.08-0.18) 0.08 (0.06 - 0.09)
Vm20 (normal liver)   (%) 13.2(6.7-14.1) 12.2(6.5-14.9) 18.9(13.7-22.3) 18.5 (10.1 - 23.2)
MLDm   (Gy) 9.3(7.1-11.2) 8.8(7.1-10.4) 12.5(10.9-13.2) 12.2 (8.7 - 14.0)
Protocol-plan1
GTV Dm50 (Gy) 55.2(52.6-55.8) 42.7(42.0-43.1) 42.0(41.6-43.1) 42.4 (42.2 - 42.7)
  Dm95 (Gy) 53.1(48.8-54.2) 41.6(40.2-42.0) 40.8(40.6-41.2) 44.5 (41.2 - 42.7)
  Dm98 (Gy) 52.3(47.8-53.8) 41.5(40.0-42.0) 40.6(40.4-41.0) 41.4 (41.1 - 42.1)
  Min (Gy) 50.0(49.0-53.0) 41.0(39.7-42.0) 39.9(39.6-40.4) 41.0 (40.7 - 42.0)
  Max (Gy) 57.1(57.1-57.1) 57.1(43.1-46.7) 50.6(43.1-47.6) 45.4 (43.1 - 44.5)
PTV Dm50 (Gy) 51.2(49.5-52.1) 42.2(41.8-43.1) 42.0(41.6-43.1) 42.0 (41.6 - 42.2)
  Dm95 (Gy) 41.2(41.0-41.5) 40.0(40.0-40.1) 40.1(40.1-40.2) 40.0 (40.0 - 40.2)
  Dm98 (Gy) 39.0(38.4-39.8) 39.5(39.4-39.6) 39.7(39.7-39.8) 39.6 (39.2 - 39.8)
  Min (Gy) 32.5(27.5-34.0) 36.4(34.1-37.5) 38.9(38.6-39.1) 37.3 (36.6 - 40.7)
  Max (Gy) 57.1(57.1-57.1) 44.2(43.3-48.2) 45.1(43.3-48.8) 43.5 (43.4 - 44.5)
HI    0.34(0.33-0.36) 0.10(0.09-0.19) 0.11(0.07-0.17) 0.09 (0.07 - 0.10)
CN    0.85(0.81-0.91) 0.89(0.80-0.90) 0.63(0.59-0.68) 0.85(0.75 - 0.86)
Vm20 (normal liver)   (%) 13.2(6.7-14.1) 11.7(6.2-14.6) 17.5(10.0-19.1) 14.6(8.8 - 15.5)
MLDm   (Gy) 9.3(7.1-11.2) 8.8(6.9-9.9) 11.4(8.6-12.3) 10.2 (7.6 - 10.4)
Protocol-plan2
GTV Dm50 (Gy) 55.2(52.6-55.8) 55.3(53.2-56.3) 53.6(51.6-55.0) 56.2 (55.9 - 56.6)
  Dm95 (Gy) 53.1(48.8-54.2) 53.2(50.7-55.6) 50.6(48.6-53.3) 52.6 (51.2 - 54.7)
  Dm98 (Gy) 52.3(47.8-53.8) 52.2(47.4-55.3) 50.1(48.0-52.8) 50.3 (47.4 - 53.0)
  Min (Gy) 50.0(49.3-53.1) 51.5(45.0-54.7) 49.7(47.1-53.8) 47.0 (42.6 - 50.5)
  Max (Gy) 57.1(57.1-57.1) 57.1(57.1-57.1) 57.1(57.1-57.1) 57.1 (57.1 - 57.1)
PTV Dm50 (Gy) 51.2(49.5-52.1) 52.5(51.5-54.0) 51.0(49.9-52.3) 53.1 (50.8 - 53.8)
  Dm95 (Gy) 41.2(41.0-41.5) 40.0(40.0-40.2) 40.1(40.0-40.3) 40.6 (40.4 - 41.3)
  Dm98 (Gy) 39.0(38.4-39.8) 37.1(36.7-37.7) 37.8(37.4-38.2) 38.5 (36.3 - 38.9)
  Min (Gy) 32.5(27.5-34.0) 21.5(18.5-23.6) 26.9(24.9-28.8) 29.5 (25.8 - 32.4)
  Max (Gy) 57.1(57.1-57.1) 57.1(57.1-57.1) 57.1(57.1-57.1) 57.1 (57.1 -57.1)
HI    0.34(0.33-0.36) 0.37(0.36-0.38) 0.36(0.35-0.39) 0.35 (0.35 -0.39)
CN    0.85(0.81-0.91) 0.90(0.88-0.91) 0.89(0.87-0.91) 0.89 (0.85 -0.89)
Vm20 (normal liver)   (%) 13.2(6.7-14.1) 11.5(6.3-14.0) 10.4(6.3-13.7) 13.0 (6.8 -13.7)
MLDm   (Gy) 9.3(7.1-11.2) 8.3(7.0-9.9) 8.9(8.0-10.9) 9.5 (6.4 - 10.2)
  1. Abbreviations: GTV, gross tumor volume; PTV, planning target volume; HI, homogeneity index; CN, conformation number; MLD, mean liver dose.