Table 2.

Comparison between the planned and measured dose in the water cube phantom.

Plan number	Delivery mode	Jaw wide/mode	Dplan (Gy)	Dmeasure (Gy)	Δ (%)
1	Helical	1.0 Fix	2.792	2.755	−1.33
2	Helical	2.5 Fix	2.744	2.709	−1.26
3	Helical	5.0 Fix	2.73	2.717	−0.49
4	Helical	2.5 Dyn	2.77	2.732	−1.37
5	Helical	5.0 Dyn	2.783	2.755	−1.01
6	Direct	1.0 Fix	2.75	2.670	−2.90
7	Direct	2.5 Fix	2.718	2.681	−1.38
8	Direct	5.0 Fix	2.687	2.665	−0.81
9	Direct	2.5 Dyn	2.783	2.701	−2.94
10	Direct	5.0 Dyn	2.742	2.707	−1.26
Mean ± SD	—	—	—	—	−1.47 ± 0.81