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Table 3 Dose distribution statistics

From: Volumetric modulated arc therapy with flattening filter free beams for isolated abdominal/pelvic lymph nodes: report of dosimetric and early clinical results in oligometastatic patients

Structure Parameter Objective Mean±SD  
     From Bignardi
PTV Mean [Gy] 50.0 44.9±0.7 44.5±0.3
Volume [cm3] D5%-95% [Gy]   2.8±1.5 3.8±0.8
56.7±42.0 Standard Dev [Gy]   0.9±0.5  
  D1% [Gy] <48.15 46.2±0.8 46.4±0.3
  D99% [Gy] >42.75 (36) 42.0±2.4 40.8±1.0
  V95% [%]   97.7±3.2 90.2±5.2
  CI95% 1.0 1.1±0.1 1.0±0.1
CTV Mean [Gy]   45.1±0.8 45.0±0.0
Volume [cm3] D5%-95% [Gy]   1.4±0.8 1.4±0.3
17.4±21.0 Standard Dev [Gy]   0.4±0.3  
  D1% [Gy] <48.15 45.9±0.8 46.0±0.2
  D99% [Gy] >42.75 43.8±1.8 44.1±0.2
  V95% [%] 100 99.7±1.3 100.0±0.0
Stomach Mean [Gy]   4.2±1.9 4.0±5.5
Volume [cm3] D1% [Gy]   17.9±9.0 12.2±11.7
228.8±129.2 V10Gy [%]   11.2±12.1  
  V15Gy [%]   5.0±6.2  
  V36Gy [cm3] <1 0.05±0.08 0.1±0.5
Duodenum Mean [Gy]   11.0±7.5 7.0±5.6
Volume [cm3] D1% [Gy]   22.9±14.2 22.4±13.8
34.5±24.2 V10Gy [%]   60.8±42.6  
  V20Gy [%]   14.4±19.2  
  V36Gy [cm3] <1 0.09±0.19 0.5±0.9
Small Bowel Mean [Gy]   5.1±3.5 3.0±2.3
Volume [cm3] D1% [Gy]   23.3±6.7 18.0±10.8
1900.9±1764.5 V10Gy [%]   18.6±17.0  
  V20Gy [%]   3.6±4.6  
  V36Gy [cm3] <3 2.9±3.9 0.1±0.2
Liver Mean [Gy]   3.4±2.5 3.6±3.9
Volume [cm3] D1% [Gy]   19.2±14.5 20.2±17.3
1450.5±287.3 V10Gy [%]   10.2±9.6  
  V20Gy [%]   2.0±2.6  
  (Vliver-700)-V21Gy [cm3] >0 724±285  
Spinal Cord D1% [Gy]   10.1±3.2 7.8±2.3
Volume [cm3] D1ccm [Gy] <18Gy 9.5±3.1  
32.6±19.7 V10Gy [%]   12.2±19.9  
Left Kidney Mean [Gy]   4.2±3.4 2.2±2.5
Volume [cm3] D1% [Gy]   11.6±8.7 8.3±8.1
162.4±36.8 V15Gy [%] <35 3.1±7.5 1.7±5.9
Right Kidney Mean [Gy]   3.9±3.6 3.1±2.9
Volume [cm3] D1% [Gy]   10.7±6.9 10.4±11.2
163.4±39.9 V15Gy [%] <35 2.9±8.6 2.8±7.1