Table 2.

Experimentally determined tube hit (missed) and mean ± standard deviation for trajectory and duration quantities for the second phantom

System	Hit (miss)	Trajectory [cm]	Duration [s]
IGS	53(48)	$94\pm 42$	$29\pm 19$
VG	66(34)	$70\pm {35}^{\ast }$	$16\pm {10}^{\ast }$
IGS+VG	63(38)	$65\pm {28}^{\ast }$	$13\pm 6^{\ast }$

*The asterisk identifies the p-values that are significant at the 0.01 level