Table 1 Comparison of clinicopathological characteristics between MVI-positive and negative group before PSM
Variables | MVI-negative group | MVI-positive group | P-value | Total |
|---|---|---|---|---|
(N = 623) | (N = 81) | (N = 704) | ||
Age, year | ||||
  < 60 | 369 (59.2%) | 55 (67.9%) | 0.168 | 424 (60.2%) |
  ≥ 60 | 254 (40.8%) | 26 (32.1%) |  | 280 (39.8%) |
Sex | ||||
 Male | 365 (58.6%) | 43 (53.1%) | 0.410 | 408 (58.0%) |
 Female | 258 (41.4%) | 38 (46.9%) |  | 296 (42.0%) |
Hepatitis | ||||
 No | 397 (63.7%) | 54 (66.7%) | 0.692 | 451 (64.1%) |
 Yes | 226 (36.3%) | 27 (33.3%) |  | 253 (35.9%) |
Child-Pugh grade | ||||
 Stage A | 455 (73.0%) | 69 (85.2%) | 0.026 | 524 (74.4%) |
 Stage B | 168 (27.0%) | 12 (14.8%) |  | 180 (25.6%) |
Total bilirubin, μmol/L | ||||
  ≤ 20 | 389 (62.4%) | 49 (60.5%) | 0.827 | 438 (62.2%) |
  > 20 | 234 (37.6%) | 32 (39.5%) |  | 266 (37.8%) |
CA199, U/mL | ||||
  < 200 | 493 (79.1%) | 60 (74.1%) | 0.368 | 553 (78.6%) |
  ≥ 200 | 130 (20.9%) | 21 (25.9%) |  | 151 (21.4%) |
CEA, μg/L | ||||
  < 5 | 488 (78.3%) | 52 (64.2%) | 0.007 | 540 (76.7%) |
  ≥ 5 | 135 (21.7%) | 29 (35.8%) |  | 164 (23.3%) |
Operative bleeding loss, ml | ||||
  ≥ 800 | 517 (83.0%) | 57 (70.4%) | 0.009 | 574 (81.5%) |
  < 800 | 106 (17.0%) | 24 (29.6%) |  | 130 (18.5%) |
Blood transfusion | ||||
 No | 527 (84.6%) | 69 (85.2%) | 1.000 | 596 (84.7%) |
 Yes | 96 (15.4%) | 12 (14.8%) |  | 108 (15.3%) |
Laparoscopy | ||||
 Yes | 30 (4.8%) | 5 (6.2%) | 0.797 | 35 (5.0%) |
 No | 593 (95.2%) | 76 (93.8%) |  | 669 (95.0%) |
Lymph node dissection | ||||
 No | 426 (68.4%) | 43 (53.1%) | 0.009 | 469 (66.6%) |
 Yes | 197 (31.6%) | 38 (46.9%) |  | 235 (33.4%) |
Major hepatectomy | ||||
 No | 280 (44.9%) | 24 (29.6%) | 0.013 | 304 (43.2%) |
 Yes | 343 (55.1%) | 57 (70.4%) |  | 400 (56.8%) |
Tumor diameter, cm | ||||
  ≤ 5 | 245 (39.3%) | 22 (27.2%) | 0.045 | 267 (37.9%) |
  > 5 | 378 (60.7%) | 59 (72.8%) |  | 437 (62.1%) |
Tumor number | ||||
 Single | 455 (73.0%) | 50 (61.7%) | 0.046 | 505 (71.7%) |
 Multiple | 168 (27.0%) | 31 (38.3%) |  | 199 (28.3%) |
Satellite nodules | ||||
 No | 465 (74.6%) | 48 (59.3%) | 0.005 | 513 (72.9%) |
 Yes | 158 (25.4%) | 33 (40.7%) |  | 191 (27.1%) |
Surgical margin width, cm | ||||
  < 1 | 432 (69.3%) | 52 (64.2%) | 0.417 | 484 (68.8%) |
  ≥ 1 | 191 (30.7%) | 29 (35.8%) |  | 220 (31.2%) |
Differentiation | ||||
 Moderate or high | 510 (81.9%) | 54 (66.7%) | 0.002 | 564 (80.1%) |
 Poor | 113 (18.1%) | 27 (33.3%) |  | 140 (19.9%) |
Lymph node metastasis | ||||
 No | 533 (85.6%) | 57 (70.4%) | < 0.001 | 590 (83.8%) |
 Yes | 90 (14.4%) | 24 (29.6%) |  | 114 (16.2%) |
Hepatolith | ||||
 No | 602 (96.6%) | 77 (95.1%) | 0.691 | 679 (96.4%) |
 Yes | 21 (3.4%) | 4 (4.9%) |  | 25 (3.6%) |
Postoperative hospital stay, day | ||||
  < 15 | 366 (58.7%) | 34 (42.0%) | 0.006 | 400 (56.8%) |
  ≥ 15 | 257 (41.3%) | 47 (58.0%) |  | 304 (43.2%) |