Table 5 Pathological outcomes
From: Liver resection for hepatocellular carcinoma in elderly patients: does age matter?
|  | All patients (N = 364) | Group I (N = 157) | Group II (N = 168) | Group III (N = 39) | P |
|---|---|---|---|---|---|
Tumor size (cm) | 6 (1.5–20) | 6 (1.5–20) | 6 (1.5–20) | 6.5 (2–15) | 0.417 |
Tumor number | Â | Â | Â | Â | 0.445 |
Single | 318 (87.4%) | 141 (89.8%) | 143 (85.1%) | 34 (87.2%) | Â |
Multiple | 46 (12.6%) | 16 (10.2%) | 25 (14.9%) | 5 (12.8%) | Â |
Resection margin | Â | Â | Â | Â | 0.087 |
R0 | 319 (87.6%) | 133 (84.7%) | 154 (91.7%) | 32 (82.1%) | Â |
R1 | 45 (12.4%) | 24 (15.3%) | 14 (8.3%) | 7 (17.9%) | Â |
Capsular invasion | 131 (36%) | 52 (33.1%) | 67 (39.9%) | 12 (30.8%) | 0.345 |
Microvascular invasion | 170 (46.7%) | 75 (47.8%) | 80 (47.6%) | 15 (38.5%) | 0.551 |
Perineural invasion | 125 (34.3%) | 60 (38.2%) | 59 (35.1%) | 6 (15.4%) | 0.026 |
Tumor Grade | Â | Â | Â | Â | 0.029 |
1 | 65 (17.9%) | 32 (20.4%) | 28 (16.7%) | 5 (12.8%) | Â |
2 | 220 (60.4%) | 81 (51.6%) | 107 (63.7%) | 32 (82.1%) | Â |
3 | 69 (19%) | 40 (25.5%) | 27 (16.1%) | 2 (5.1%) | Â |
4 | 9 (2.5%) | 4 (2.5%) | 5 (3%) | 0 | Â |
No viable tumor | 1 (0.3%) | 0 | 1 (0.6%) | 0 | Â |
Liver background | Â | Â | Â | Â | 0.624 |
Cirrhosis | 345 (94.8%) | 148 (94.3%) | 161 (95.8%) | 36 (92.3%) | Â |
Normal | 19 (5.2%) | 9 (5.7%) | 7 (4.2%) | 3 (7.7%) | Â |