Table 2.
Univariate analysis of categorical variables.
| Variable | Total | MVI– | MVI+ | p | |
|---|---|---|---|---|---|
| (n = 642) | (n = 377) | (n = 265) | |||
| Sex | Female | 522 (81.31) | 302 (80.11) | 220 (83.02) | 0.351 |
| Male | 120 (18.69) | 75 (19.89) | 45 (16.98) | ||
| Edmondson-Steiner grade | I/II | 421 (65.68) | 293 (77.72) | 128 (48.48) | <0.001 |
| III/IV | 220 (34.32) | 84 (22.28) | 136 (51.52) | ||
| Liver capsule invasion | Absent | 323 (50.47) | 223 (59.47) | 100 (37.74) | <0.001 |
| Present | 317 (49.53) | 152 (40.53) | 165 (62.26) | ||
| Number of tumors | Single | 569 (88.77) | 337 (89.63) | 232 (87.55) | 0.494 |
| ≥2 | 72 (11.23) | 39 (10.37) | 33 (12.45) | ||
| Satellite nodules | Absent | 560 (87.50) | 344 (91.49) | 216 (81.82) | <0.001 |
| Present | 80 (12.50) | 32 (8.51) | 48 (18.18) | ||
| Cirrhosis | Absent | 216 (33.70) | 126 (33.51) | 90 (33.96) | 0.905 |
| Present | 425 (66.30) | 250 (66.49) | 175 (66.04) | ||
| BDTT | Absent | 623 (97.50) | 375 (99.73) | 248 (94.30) | <0.001 |
| Present | 16 (2.50) | 1 (0.27) | 15 (5.70) | ||
| Surgical options | Open | 419 (65.47) | 249 (66.05) | 170 (64.64) | 0.712 |
| Laparoscope | 221 (34.53) | 128 (33.95) | 93 (35.36) | ||
| AFP, ng/ml | ≤400 | 469 (73.28) | 297 (79.20) | 172 (64.91) | <0.001 |
| >400 | 171 (26.72) | 78 (20.80) | 93 (35.09) | ||
| HBsAg | Negative | 109 (17.06) | 59 (15.73) | 50 (18.94) | 0.289 |
| Positive | 530 (82.94) | 316 (84.27) | 214 (81.06) |
MVI, microvascular invasion; BDTT, bile duct tumor thrombus; AFP, alpha-fetoprotein; HBsAg, type B hepatitis surface antigen.