Table 2 Data and patient characteristics
Characteristic | Total | Development dataset | Test dataset | p value |
|---|---|---|---|---|
No. of patients | 445 | 356 | 89 | |
Age (year) | 58 | 58 | 57 | 0.795 |
Median (IQR) | (48.00, 64.00) | (47.00, 64.00) | (51.00, 63.00) | |
Sex | 0.647 | |||
Male | 272 (100%) | 221 (84.4%) | 50 (15.6%) | |
Age (year) | 58 | 58 | 59 | 0.238 |
Median (IQR) | (49.25, 64.00) | (47.75, 64.00) | (54.00, 65.75) | |
Female | 183 (100%) | 144 (78.7%) | 39 (21.3%) | |
Age (year) | 56 | 57 | 56 | 0.329 |
Median (IQR) | (46.00, 63.00) | (47.00, 63.00) | (37.50, 62.50) | |
Lesion number (%) | 557 | 444 (79.7%) | 113 (20.3%) | |
Lesion diameter | 26.8 | 27.3 | 24 | 0.418 |
Median (IQR) | (16.80, 41.50) | (16.75, 41.70) | (17.10, 36.38) | |
Lesion type | 0.907 | |||
Cyst | ||||
Lesion number (%) | 86 (100%) | 70 (80.7%) | 16 (19.3%) | |
Lesion diameter | 12.8 | 12.75 | 12.8 | 0.898 |
Median (IQR) | (8.65, 22.50) | (8.30, 23.43) | (9.80, 15.50) | |
Haemangioma | ||||
Lesion number (%) | 101 (100%) | 79 (78.2%) | 22 (21.8%) | |
Lesion diameter | 19.7 | 19.5 | 20.1 | 0.815 |
Median (IQR) | (15.30, 32.60) | (15.55, 32.65) | (15.05, 25.02) | |
FNH | ||||
Lesion number (%) | 57 (100%) | 46 (80.7%) | 11 (19.3%) | |
Lesion diameter | 34.13 ± 12.89 | 35.35 ± 13.24 | 28.79 ± 10.28 | 0.148 |
Mean ± SE | ||||
Abscess | ||||
Lesion number (%) | 88 (100%) | 67 (76.1%) | 21 (23.9%) | |
Lesion diameter | 62.98 ± 31.26 | 65.20 ± 32.23 | 56.31 ± 29.10 | 0.479 |
Mean ± SE | ||||
HCC | ||||
Lesion number (%) | 78 (100%) | 63 (80.7%) | 15 (19.3%) | |
Lesion diameter | 28.9 | 29.35 | 26.8 | 0.537 |
Median (IQR) | (23.20, 45.90) | (23.45, 46.65) | (22.00, 38.20) | |
ICC | ||||
Lesion number (%) | 70 (100%) | 59(84.3%) | 11 (15.7%) | |
Lesion diameter | 52.45 | 51.15 | 63.55 | 0.323 |
Median (IQR) | (30.72, 69.45) | (29.43, 66.65) | (47.12, 94.50) | |
Metastasis | ||||
Lesion number (%) | 77 (100%) | 60 (77.9%) | 17 (22.1%) | |
Lesion diameter | 28.55 | 28.8 | 28.1 | 1 |
Median (IQR) | (20.18, 38.32) | (19.55, 38.75) | (27.80, 28.80) | |
Manufacturer and model | 0.499 | |||
GE Signa | 126 (100%) | 99 (78.6%) | 27 (21.4%) | |
GE Discovery MR750w | 62 (100%) | 46 (69.7%) | 16 (30.3%) | |
Philips Ingenia | 58 (100%) | 50 (86.2%) | 8 (13.8%) | |
Siemens prisma | 50 (100%) | 42 (84.0%) | 8 (16%) | |
Siemens TrioTim | 149 (100%) | 119 (79.9%) | 30 (20.1%) |