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Table 2 Classification of the 211 HCC patients who underwent hepatectomy in the training cohort

From: Anatomical sites (Takasaki’s segmentation) predicts the recurrence-free survival of hepatocellular carcinoma

Variables Single segment-HCC (n = 151) Multiple segments-HCC (n = 60) Single segment vs. Multiple segments
(P-value)
Left segment
(n = 64)
Middle segment (n = 28) Right segment (n = 58) Caudate area (n = 1)
Tumor size (cm) 6.5 ± 4.8 4.0 ± 2.8 4.8 ± 2.5 8.5 7.1 ± 3.3 0.002
Tumor nodule number        < 0.001
 Single 58 (90.6%) 24 (85.7%) 51 (87.9%) 1 (100%) 37 (61.7%)  
 Multiple (≥ 2) 6 (9.4%) 4 (14.3%) 7 (12.1%) 0 23 (38.3%)  
Capsulation formation       0.540
 Present 39 (60.9%) 15 (53.6%) 34 (58.6%) 0 32 (53.3%)  
 Absent 25 (39.1%) 13 (46.4%) 24 (41.4%) 1 (100%) 28 (46.7%)  
Differentiation gradea       0.801
 I–II 61 (95.3%) 25 (89.3%) 49 (84.5%) 1 (100%) 55 (91.7%)  
 III–IV 3 (4.7%) 3 (10.7%) 9 (15.5%) 0 5 (8.3%)  
MVI       1.000
 Present 18 (28.1%) 5 (17.9%) 16 (27.6%) 0 16 (26.7%)  
 Absent 46 (71.9%) 23 (82.1%) 42 (72.4%) 1 (100%) 44 (73.3%)  
Liver cirrhosis       0.715
 Present 53 (82.8%) 18 (64.3%) 44 (73.3%) 0 50 (83.3%)  
 Absent 11 (17.2%) 10 (35.7%) 14 (26.7%) 1 (100%) 10 (16.7%)  
BCLC stage       0.161
 0 & A 34 (53.1%) 20 (71.4%) 44 (73.3%) 1 (100%) 27 (45.0%)  
 B 3 (4.7%) 4 (14.3%) 0 0 16 (26.7%)  
 C 27 (42.2%) 4 (14.3%) 14 (26.7%) 0 17 (28.3%)  
  1. BCLC Barcelona Clinic Liver Cancer, MVI microvascular invasion, HCC hepatocellular carcinoma
  2. aEdmondson–Steiner grade