Variables | Total Cohort | Training Cohort | Validation Cohort |
---|---|---|---|
All Patient | 1811 | 1267 | 544 |
Age at diagnosis | Â | Â | Â |
 <55 | 355(19.6)a | 237(18.7) | 118(21.7) |
 ≥55 | 1456(80.4) | 1030(81.3) | 426(78.3) |
Ethnicity | Â | Â | Â |
 Caucasian | 1171(64.7) | 821(64.8) | 350(64.3) |
 African–American | 167(9.2) | 124(9.8) | 43(7.9) |
 Others | 473(26.1) | 322(25.4) | 151(27.8) |
Gender | Â | Â | Â |
 Male | 1409(77.8) | 980(77.3) | 429(78.9) |
 Female | 402(22.2) | 287(22.7) | 115(21.1) |
Year of Diagnosis | Â | Â | Â |
 After 2009 | 1054(58.6) | 729(57.5) | 325(59.7) |
 Before 2009 | 757(41.4) | 538(42.5) | 219(40.3) |
Grade | Â | Â | Â |
 Grade I | 731(40.4) | 506(39.9) | 225(41.4) |
 Grade II | 853(47.1) | 597(47.1) | 256(47.1) |
 Grade III | 210(11.6) | 151(11.9) | 59(10.8) |
 Grade IV | 17(0.9) | 13 [1] | 4(0.7) |
TNM Stage | Â | Â | Â |
 I | 992(54.8) | 681(53.7) | 311(57.2) |
 II | 358(19.8) | 262(20.7) | 96(17.6) |
 III | 328(18.1) | 228 [18] | 100(18.4) |
 IV | 133(7.3) | 96(7.6) | 37(6.8) |
Surgery | Â | Â | Â |
 No surgery | 736(40.6) | 521(41.1) | 215(39.5) |
 Liver Resection | 816(45.1) | 566(44.7) | 250(46) |
 Liver Transplant | 259(14.3) | 180(14.2) | 79(14.5) |
Chemotherapy | Â | Â | Â |
 No/Unknown | 1251(69.1) | 870(68.7) | 381(70) |
 Yes | 560(30.9) | 397(31.3) | 163 [30] |
Radiation | Â | Â | Â |
 No/unknown | 1697(93.7) | 1194(94.2) | 503(92.5) |
 Yes | 114(6.3) | 73(5.8) | 41(7.5) |
Marital Group | Â | Â | Â |
 Married | 1099(60.7) | 761(60.1) | 338(62.1) |
 Single/divorced/widowed | 712(39.3) | 506(39.9) | 206(37.9) |
Tumor Size | Â | Â | Â |
 <5 cm | 1011(55.8) | 702(55.4) | 309(56.8) |
 ≥5 cm | 800(44.2) | 565(44.6) | 235(43.2) |