Skip to main content

Table 3 Treatment characteristics

From: Prognostic factors affecting local control of hepatic tumors treated by stereotactic body radiation therapy

 

Total N (%) or Median (range)

Hepatocarcinoma

Hepatic metastases

Cholangiocarcinoma

p*

Sum of GTV volumes (cm 3 )

32.9 (0.2--499)

47.5 (1.4--499)

25.6 (0.2--245)

261 (8--371)

0.029

Ratio of the volume of GTV to the Liver

0.02 (0--0.32)

0.03 (0--0.3)

0.02 (0--0.2)

0.1 (0--0.2)

0.028

Ratio of the volume of PTV to the Liver

0.08 (0--0.38)

0.09 (0--0.38)

0.05 (0--0.37)

0.2 (0--0.3)

0.074

Session length (min)

107 (35--199)

107 (35--156)

107 (41--199)

100 (74--151)

0.831

Number of beams (median)

150 (25--276)

148 (29--254)

149 (25--276)

182 (105--226)

0.449

Total dose (Gy)

45 (27--45)

45 (27--45)

45 (27--45)

45 (29--45)

0.321

 

-- 45 Gy: 15 Gy x 3

-- 45 Gy: 15 Gy x 3

-- 45 Gy: 15 Gy x 3

 

-- 39 Gy: 13 Gy x 3

-- 40 Gy: 10 Gy x 4

-- 40 Gy: 10 Gy x 4

-- 36 Gy: 12 Gy x 3

-- 39 Gy: 13 Gy x 3

-- 39 Gy: 13 Gy x 3

-- 30 Gy: 15 Gy x 2

-- 36 Gy: 12 Gy x 3

 

-- 30 Gy: 10 Gy x 3

-- 30 Gy: 10 Gy x 3

-- 27 Gy: 9 Gy x 3

 

Dose per fraction (Gy)

15 (9--15)

15 (9--15)

15 (9--15)

15 (10--15)

0,026

  1. *Chi-square/Fisher exact or Kruskal-Wallis.