Table 2.

The result of plan evaluation parameters for multiple partial VMAT plans.

Structures	Range	Mean±SD
PTV
Minimal dose (%)	73.9–84.5	$79.26\pm 3.82$
Maximum dose (%)	109.6–110.7	$110.1\pm 0.35$
$V_{107}$ (%)	3.12–18.6	$7.75\pm 4.96$
${\mathrm{D}}_{99\%}$ (Gy)	45.56–47.68	$46.38\pm 0.01$
${\mathrm{D}}_{2\%}$ (Gy)	54.05–54.72	$54.27\pm 0.00$
${\mathrm{V}}_{95\%}$ (%)	95.55–98.79	$96.91\pm 1.01$
$\text{HI}-({\mathrm{D}}_{5\%}-{\mathrm{D}}_{95\%})/\text{Rx}$	8.55–11.61	$10.61\pm 0.99$
C${\mathrm{I}}_{95\%}$	1.13–1.24	$1.21\pm 0.03$
Heart
Mean dose (Gy)	5.55–9.55	$7.61\pm 1.38$
$V_5$ (%)	35.57–81.60	$59.73\pm 15.87$
$V_{10}$ (%)	13.02–33.81	$24.39\pm 6.82$
$V_{25}$ (%)	0.69–4.10	$2.52\pm 1.11$
$V_{30}$ (%)	0.37–2.43	$1.57\pm 0.71$
Left Ventricle
Mean dose (Gy)	5.51–10.85	$7.32\pm 1.49$
Maximum dose (Gy)	85.3–104.00	$93.23\pm 6.62$
$V_{25}$ (%)	1.63–7.99	$5.15\pm 2.23$
Left Lung
Mean dose (Gy)	7.60–9.30	$8.22\pm 0.57$
$V_5$ (%)	31.62–44.24	$40.46\pm 3.81$
$V_{10}$ (%)	20.39–27.43	$23.32\pm 2.07$
$V_{20}$(%)	8.69–16.71	$12.71\pm 2.32$
Right Lung
Mean dose (Gy)	2.61–4.03	$3.44\pm 0.43$
$V_5$ (%)	5.81–18.89	$13.21\pm 4.50$
$V_{10}$ (%)	0.00–0.33	$0.08\pm 0.10$
Total lung volume
Mean dose (Gy)	5.08–6.02	$5.57\pm 0.36$
$V_5$ (%)	20.28–31.04	$25.39\pm 3.88$
$V_{20}$ (%)	3.90–7.06	$5.66\pm 0.89$
Right breast
Mean dose (Gy)	1.82–2.48	$2.13\pm 0.22$
Maximum dose (Gy)	6.94–19.2	$9.72\pm 3.55$
$V_5$ (%)	0.33–4.75	$1.83\pm 1.22$
$V_{10}$ (%)	0.00–0.39	$0.04\pm 0.12$
Unspecified tissue
Mean dose	4.72–5.76	$5.34\pm 0.37$
$V_5$ (%)	19.95–25.03	$22.23\pm 1.57$
$V_{50}$ (%)	0.18–0.73	$0.50\pm 0.14$

Rx: prescription; HI: homogeneity index; CI: conformity index.