Table 1 Demographic and clinical information for both training and validation set used in this study

Data size (number of cases)

85 (40 lipomas, 45 ALTs)

60 (28 lipomas, 32 ALTs)

Age (years, mean ± SD)

60.7 ± 11.1

58.0 ± 10.2

Sex

45 females, 40 males

27 females, 33 males

Tumour volume (cm³, mean ± SD [range])

371 ± 578 [5.3–3690]

265 ± 314 [3.7–1266]

Tumour major axis length (cm, mean ± SD [range])

9.58 ± 4.76 [2.4–29.4]

9.46 ± 4.83 [2.1–22.7]

 Lower limbs

57, 67.1%

41, 68.3%

 Upper limbs

12, 14.1%

12, 20.0%

 Abdomen

7, 8.3%

1, 1.7 %

 Torso

9, 10.7%

6, 10.0%