Table 1 Main parameters of the three datasets used in this work
Dataset 1 | Dataset 2 | Dataset 3 | Dataset 4 | |
|---|---|---|---|---|
Institution | Our institution | Our institution | Our institution | Duke dataset |
Acquisition time range | September 2013–October 2015 | September 2020–October 2022 | June 2018–October 2022 | January 2000–March 2014 |
Magnetic field strength [T] | 3.0 | 1.5 | 3.0 | 3.0 |
Manufacturer and model | Siemens, Magnetom Skyra | Siemens, Sola | Siemens, Magnetom Skyra | Siemens, Magnetom Skyra |
Resolution [px × px] | 448 × 448 | 384 × 384 | 448 × 448 | 448 × 448 |
TR [ms] | 4.40–4.64 | 4.98 | 4.40–4.48 | 3.77 |
TE [ms] | 1.56–1.78 | 2.39 | 1.62–1.70 | 1.44 |
Flip angle [°] | 10 | 10 | 10 | 10 |
FGT model: patients (cases)/volumes/slices | 29/29/3048 | 4/4/436 | 71/76/9088 | 3/3/672 |
BPE model: patients (cases)/volumes/slices | 82/169/17420 | 4/4/1744 | 71/76/9088 | 3/6/1344 |
Patients’ age mean ± std [years] | 47.3 ± 11.6 | 40.3 ± 19.4 | 48.8 ± 12.6 | 52.6 ± 6.6 |
Use in the study | Patient stratified train/valid/test split | Test set Volumetric analysis | Volumetric analysis | Test set |