Skip to main content

Table 3 Treatment delivery parameters of the LA- and CK-based systems for 13 clinical cases

From: Noninvasive cardiac radioablation for ventricular tachycardia: dosimetric comparison between linear accelerator- and robotic CyberKnife-based radiosurgery systems

 

LA-based system

CK-based system

Median ± SD

Range

Mean ± SD

Range

Number of partial arcs for LA or beams for CK*

Coplanar: 6.0 ± 1.3

Non-coplanar: 4.0 ± 0.8

Total: 10.0 ± 1.7

Coplanar: 4.0–9.0

Non-coplanar: 2.0–4.0

Total: 7.0–13.0

232.2 ± 110.8

38.0–308.0

Monitor units

9739.4 ± 1903.3

6431.0–12448.0

39,993.0 ± 11,786.0

12,433.0–54574.0

Treatment time estimates (min)

22.4 ± 1.6

20.2–24.1

119.2 ± 43.3

46.0–159.0

  1. CK CyberKnife, LA linear accelerator, SD standard deviation
  2. *Both coplanar and non-coplanar arcs are used in the LA system, while only non-coplanar beams are used in the CK system