Table 5.

Comparison of ${\mathrm{D}}_{2\text{cm}}$ in the AAA and AXB plans

		D2cm(%)
Case #	PTV Vol. (cc)	RTOG 0813 Minor Deviation	AAA Plans	AXB Plans	D (%)
1	3.2	50.00‐57.00	35.40	35.90	1.41
2	12.7	50.00‐58.00	51.60 a	51.40 a	$-0.39$
3	13.1	50.00‐58.00	46.60	45.30	$-2.79$
4	16.0	51.27‐59.59	45.80	45.70	$-0.22$
5	20.8	53.45‐62.32	53.80 a	52.40	$-2.60$
6	21.9	53.95‐62.94	45.90	45.20	$-1.53$
7	23.2	54.40‐63.50	51.70	51.10	$-1.16$
8	25.0	55.00‐64.25	46.40	45.20	$-2.59$
9	25.4	55.15‐64.43	49.60	49.00	$-1.21$
10	26.1	55.37‐64.71	54.50	54.10	$-0.73$
11	27.5	55.83‐65.29	57.20 a	56.40 a	$-1.40$
12	29.4	56.47‐66.08	47.90	46.50	$-2.92$
13	30.7	56.90‐66.63	61.30 a	59.00 a	$-3.75$
14	43.0	60.25‐73.06	53.60	52.22	$-2.57$
AVG	22.71		50.09	49.24	$-1.60$
STDEV	9.57		6.26	5.84	1.37

^{a a} Data that have minor deviations from RTOG 0813 criteria.

$\text{PTV}=\text{planning target volume}$; ${\mathrm{D}}_{2\text{cm}}=\text{maximal dose}2\text{cm from PTV in any direction as a percentage of prescription dose}$; $\text{AAA}=\text{anisotropic analytic algorithm}$; $\text{AXB}=\text{Acuros XB algorithm}$; $\mathrm{D}(\%)=\text{percent difference between}\hspace{0.17em}{\mathrm{D}}_{2\text{cm}}\hspace{0.17em}\text{of AXB and AAA plans}$; $\text{AVG}=\text{average}$; $\text{STDEV}=\text{standard deviation}$.