Skip to main content

Table 2 Rotational displacements of AlignRT RTD and CBCT couch shifts

From: Initial clinical experience of surface guided stereotactic radiation therapy with open-face mask immobilization for improving setup accuracy: a retrospective study

  YAW (degree) PITCH (degree) ROLL (degree)
AlignRT CBCT AlignRT CBCT AlignRT CBCT
Median  − 0.1  − 0.1 0 0.2  − 0.1 0.1
Q1/Q3  − 0.5/0.2  − 0.5/0.1  − 0.4/0.3  − 0.1/0.6  − 0.4/0.4  − 0.3/0.3
Min/Max  − 1/1  − 1.1/1.2  − 1.8/1.1  − 1.3/1.4  − 0.9/1.9  − 1/1.3
p value 0.628  < 0.01 0.199
  1. *Level of statistical significance in this study: p value < 0.01