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Table 1 Error statistics for PET images and AC-maps; mean values, standard deviations (SD) mean absolute error (MAE) and root mean square error (RMSE)

From: Improved PET/MRI attenuation correction in the pelvic region using a statistical decomposition method on T2-weighted images

  PET AC-map
  Mean SD MAE RMSE Mean SD MAE RMSE
Dixon whole volume − 5.4% 6.7% 6.1% 8.6% − 2.9% 6.3% 3.7% 6.9%
SDA whole volume − 0.9% 3.5% 2.5% 3.6% − 0.6% 3.6% 2.1% 3.6%
Dixon bone − 17.7% 8.4% 17.7% 19.5% − 16.3% 6.7% 16.3% 17.6%
SDA bone − 4.2% 5.7% 5.4% 7.1% − 4.4% 6.5% 5.3% 6.8%
Dixon soft tissue − 3.6% 4.0% 4.3% 5.4% − 0.9% 2.6% 1.8% 2.7%
SDA soft tissue − 0.5% 2.7% 2.1% 2.8% − 0.3% 2.4% 1.7% 2.4%
  1. Mean values, standard deviations (SD), mean absolute error (MAE), and root mean square error (RMSE) for voxels classified as bone or soft tissue and for whole volume