Table 1 Main patient and tumor characteristics
RARH (n = 73) | LARVH (n = 46) | ARH (n = 175) | p values | |
|---|---|---|---|---|
Age (years) | ||||
Mean | 46.0 | 42.5 | 49.0 | 0.001 |
SD | ±11.2 | ±9.9 | ±11.0 | |
Range | (24–75) | (20–69) | (20–78) | |
Predominating age group | 40–49 years | 40–49 years | 50–59 years | |
24 (32.9%) | 17 (30.0%) | 49 (28.0%) | 0.003 | |
Preoperative Htc | ||||
Mean | 0.369 | 0.375 | 0.359 | 0.035 |
SD | ±0.039 | ±0.037 | ±0.042 | |
Range | (0.260–0.460) | (0.280–0.460) | (0.230–0.470) | |
Postoperative Htc | ||||
Mean | 0.317 | 0.330 | 0.318 | 0.153 |
SD | ±0.035 | ±0.031 | ±0.045 | |
Range | (0.230–0.390) | (0.270–0.390) | (0.230–0.490) | |
Htc difference | ||||
Mean | 0.052 | 0.045 | 0.041 | 0.253 |
SD | ±0.039 | ±0.036 | ±0.035 | |
Range | (0.043–0.061) | (0.034–0.055) | (0.033–0.049) | |
Cancer type | ||||
SCC | 65 (89.0%) | 41 (89.1%) | 167 (95.4%) | 0.116 |
Adenocarcinoma | 8 (11.0%) | 5 (10.9%) | 8 (4.6%) | |
Total number of nodes | ||||
Mean | 11.4 | 11.3 | 15.9 | 0.001 |
SD | ±7.0 | ±5.2 | ±7.7 | |
Range | (2–56) | (3–24) | (2–46) | |
N0 | 61 (83.6%) | 41 (89.1%) | 133 (76.0%) | |
N1 | 12 (16.4%) | 5 (10.9%) | 42 (24.0%) | 0.095 |