Table 3.

Comparison of standard deviations in this study versus Hadley et al. ⁽⁸⁾

	${\sigma }_{vertical}(cm)$		${\sigma }_{longitude}(cm)$		${\sigma }_{latitude}(cm)$
Site	Hadley	UofL	Hadley	UofL	Hadley	UofL
Lung	0.3	0.5	1.2	1.6	1.3	1.1
H&N	0.3	0.2	0.4	0.4	0.4	0.5
Breast	1.0	0.6	0.9	1.3	1.3	2.0
Pelvis	0.4	0.5	3.1	1.9	2.0	1.7