Table 1 Clinicoradiological characteristics in training and validation cohorts
Variables | Training cohort (n = 175) | Validation cohort (n = 75) | P-value |
|---|---|---|---|
MVI (negative/positive) | 116/59 | 53/22 | 0.498 |
Age, mean ± SD, years | 58.35 ± 11.03 | 58.25 ± 8.85 | 0.939 |
Sex (male/female) | 154/21 | 61/14 | 0.164 |
BCLC (0/A) | 15/160 | 11/64 | 0.148 |
Hepatitis B virus (present/absent) | 153/22 | 65/10 | 0.869 |
Cirrhosis (present/absent) | 137/38 | 54/21 | 0.283 |
Albumin (≤ 65/ > 65 g/L) | 13/162 | 8/67 | 0.398 |
GGT (≤ 60/ > 60 U/L) | 95/80 | 37/38 | 0.472 |
AFP (≤ 20/ > 20 ng/ml) | 82/93 | 44/31 | 0.087 |
Tumor size,mean ± SD,cm | 4.47 ± 2.40 | 4.34 ± 2.4 | 0.688 |
Gross type (nodular/ non-nodular) | 43/132 | 23/52 | 0.316 |
Arterial peritumoral enhancement (present/absent) | 47/128 | 14/61 | 0.167 |
Arterial rim enhancement (present/absent) | 24/151 | 17/58 | 0.080 |
Wash out (present/absent) | 143/32 | 62/13 | 0.857 |
Peritumoral hypointensity (present/absent) | 31/144 | 13/62 | 0.942 |
Radiological capsule (absence or incomplete/complete) | 133/42 | 61/14 | 0.354 |
Internal arteries (present/absent) | 81/94 | 28/47 | 0.191 |