Table 1.
Demographic and clinical information for both training and validation set used in this study
| Training set | Validation set | |
|---|---|---|
| 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] |
| Tumour location (number, percentage) | ||
| 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% |
ALTs atypical lipomatous tumours, Range minimum−maximum values, SD standard deviation