TABLE 1.
The clinical features of patients with hepatocellular carcinoma in the model cohort and validation cohort
| Characteristics | Model group (n = 157) | Validation cohort (n = 157) | P value |
|---|---|---|---|
| Death [n (%)] | 44 (28.03%) | 33 (21.02%) | .192 |
| Survival time (mean ± SD, mo) | 25.547 ± 22.745 | 23.164 ± 19.218 | .926 |
| Age (mean ± SD, y) | 55.166 ± 11.554 | 54.108 ± 10.509 | .290 |
| Gender (male/female) | 123/34 | 122/35 | .892 |
| BMI (≥25/<25/NA kg/m2) | 33/120/4 | 31/120/6 | .794 |
| Hepatitis B (Yes/No/NA) | 88/57/12 | 98/49/10 | .516 |
| Alcohol consumption (Yes/No/NA) | 44/101/12 | 54/93/10 | .465 |
| AFP (≤ 20/>20/NA) | 61/60/36 | 67/63/27 | .440 |
| Vascular invasion (Yes/No/NA) | 46/83/28 | 43/94/20 | .347 |
| Histological grade (G4/G3/G2/G1) | 11/68/64/14 | 12/74/56/15 | .834 |
| AJCC TNM stage (IV/III/II/I/NA) | 1/41/34/79/2 | 2/40/30/81/4 | .864 |
| Residual tumor (R0/R1R2RX/NA) | 145/3/9 | 142/4/11 | .829 |
| ECOG (4/3/2/1/0/NA) | 2/12/14/25/81/23 | 4/11/7/21/98/16 | .282 |
The Mann‐Whitney U test or t test was performed to compare the differences in continuous variables, as appropriate. Fisher’s exact test or the Chi‐square test was performed to compare the differences in categorical variables, as appropriate.
Abbreviations: SD, standard deviation, BMI, body mass index, NA, missing data, AFP, Alpha‐fetoprotein, AJCC, American Joint Committee on Cancer, TNM, tumor node metastasis, ECOG, Eastern Cooperative Oncology Group.