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Table 3 Dose difference of PTVs, CTVs, and GTVs in 10 patients

From: Evaluation of plan robustness on the dosimetry of volumetric arc radiotherapy (VMAT) with set-up uncertainty in Nasopharyngeal carcinoma (NPC) radiotherapy

Targets

ΔD2cc (Gy)

ΔD98% (Gy)

ΔD95% (Gy)

ΔDmean (Gy)

PTVp

0.23 (0.07–0.34)

3.30 (0.76–4.38)

2.02 (0.53–3.23)

0.31 (0.11–0.70)

PTVn

0.36 (0.05–0.86)

2.77 (0.60–6.05)

2.00 (0.72–4.56)

0.65 (0.10–1.52)

PTV

0.18 (0.03–0.35)

1.95 (0.26–3.20)

1.34 (0.27–2.01)

0.35 (0.05–0.57)

CTVp

0.20 (0.04–0.35)

1.12 (0.38–3.85)

0.58 (0.23–1.50)

0.16 (0.05–0.30)

CTVn

0.40 (0.08–0.75)

1.39 (0.17–5.81)

1.03 (0.43–4.10)

0.56 (0.12–1.43)

CTV

0.19 (0.03–0.34)

1.17 (0.12–2.44)

0.72 (0.11–1.51)

0.28 (0.06–0.46)

GTVp

0.28 (0.12–0.37)

0.56 (0.06–2.88)

0.33 (0.07–0.67)

0.22 (0.03–0.49)

GTVn

0.39 (00.16–0.74)

0.64 (0.30–1.91)

0.59 (0.16–1.59)

0.44 (0.08–0.84)

  1. The results were exhibited by Mean (Minimum–Maximum)