Table 1 MAE and ME results for four kinds of images against RCT images from all validation cases.
 | MAE (HU) | P value | ME (HU) | P value |
---|---|---|---|---|
CBCT | 346.11 ± 13.58 | 0.003 | 334.80 ± 13.88 | 0.003 |
CBCT_cor | 145.95 ± 17.64 | 0.003 | 101.92 ± 20.39 | 0.003 |
SCT1 | 105.62 ± 16.08 | 0.004 | 10.07 ± 28.95 | 0.424 |
SCT2 | 83.51 ± 7.71 | – | 3.65 ± 4.20 | – |