TABLE 1.

Displacement in tangential patients

Displacement (cm)		RPM (N = 42)	AlignRT (N = 46)	p‐Value ANOVA
ΔCLD	Mean ± SD	0.09 ± 0.26	−0.14 ± 0.21	0.35
	Median (IQR)	0.10 (−0.10, 0.30)	−0.13 (−0.25, −0.03)
	Abs. mean ± SD	0.23 ± 0.15	0.19 ± 0.16	0.63
	Abs. median (IQR)	0.20 (0.10, 0.30)	0.16 (0.05, 0.29)
ΔHFD	Mean ± SD	−0.62 ± 0.31	−0.04 ± 0.39	0.75
	Median (IQR)	−0.60 (‐0.90, ‐0.40)	−0.10 (−0.30, 0.30)
	Abs. mean ± SD	0.62 ± 0.31	0.33 ± 0.22	0.62
	Abs. median (IQR)	0.60 (0.40, 0.90)	0.30 (0.15, 0.49)

Abbreviations: Abs., absolute; CLD, central lung distance; HFD, heart shadow to field edge distance; IQR, interquartile range; SD, one standard deviation.