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Table 3 Mean doses (2 Gy per-fraction), NTCPs and ΔNTCP for the healthy part of the liver

From: Estimation of the risk for radiation-induced liver disease following photon- or proton-beam radiosurgery of liver metastases

Patient # Liver mean dose (Gy (IsoE)) NTCP for RILD (%) ΔNTCP (%)
SBRT IMPTa SBRT IMPTa
1 38 18 (15–21) 38 0 (0–0) - 38
2 49 26 (21–30) 98 1 (0–5) −97
3 60 39 (31–45) 100 53 (5–91) −47
4 51 33 (30–35) 99 10 (4–16) - 89
5 30 31 (29–33) 3 5 (1–5) 2
6 39 22 (17–25) 44 0 (0–0) - 44
7 26 19 (17–20) 0 0 (0–0) 0
8 18 14 (9–18) 0 0 (0–0) 0
9 34 15 (14–16) 17 0 (0–0) - 17
10 56 40 (36–41) 100 59 (27–73) - 41
  1. aThe values in parentheses represent the range of values of the mean doses and NTCPs obtained for the simulated uncertainty scenarios in the IMPT plans