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Table 1 Comparison of PTV between RapidArc (RA) and conventional radiation therapy (3D-CRT) plans

From: Bilateral kidney preservation by volumetric-modulated arc therapy (RapidArc) compared to conventional radiation therapy (3D-CRT) in pancreatic and bile duct malignancies

 

3D-CRT

  

RA

   

PTV

mean

SD

Range

mean

SD

Range

p-value

Mean dose (Gy)

50.2

0.6

49.2-53.3

50.5

0.9

48.7-51.1

0.5621

D95 (Gy)

48.9

0.8

47.0-49.2

48.6

0.5

46.0-50.0

0.0159

D98 (Gy)

48.1

2.4

38.0-49.4

47.4

2.1

38.6-48.5

0.0007

D2 (Gy)

51.2

0.7

49.5-52.3

52.3

1.4

50.1-57.0

0.0071