Table 1.
Demographics.
| Total | <80 years | ≥80 years | P | |
|---|---|---|---|---|
| N (%) | 304 | 284 (93.4) | 20 (6.6) | |
| Sex n (%) | 0.606 | |||
| Male | 165 (54.5) | 153 (54.1) | 12 (60.0) | |
| Female | 138 (45.5) | 130 (45.9) | 8 (40.0) | |
| Age (years) | ||||
| Mean ± SD | 66.1 ± 9.5 | 65.0 ± 8.9 | 81.7 ± 1.7 | <0.001 |
| Median | 67.0 | 66.5 | 81.5 | |
| Range | 32.0–85.0 | 32.0–79.0 | 80.0–85.0 | |
| ASA score n (%) | <0.001 | |||
| 1/2 | 193 (66.6) | 187 (69.3) | 6 (30.0) | |
| 3/4/5 | 97 (33.4) | 83 (30.7) | 14 (70.0) | |
| Tumor characteristics | ||||
| Diameter (mm) | ||||
| Mean ± SD | 33.6 ± 14.0 | 33.6 ± 13.8 | 33.5 ± 17.2 | 0.954 |
| Median | 32.0 | 32.0 | 34.0 | |
| Range | 4.0–100.0 | 4.0–100.0 | 11.0–90.0 | |
| Margins | 0.764 | |||
| R0 | 84 (27.9) | 79 (28.1) | 5 (25.0) | |
| R1 | 217 (72.1) | 202 (71.9) | 15 (75.0) | |
| Nodes | 0.282 | |||
| Positive | 202 (67.8) | 187 (67.0) | 15 (78.9) | |
| Negative | 96 (32.2) | 92 (33.0) | 4 (21.1) | |
| Stage | 0.579 | |||
| I | 23 (7.7) | 21 (7.5) | 2 (10.5) | |
| II | 238 (79.9) | 222 (79.6) | 16 (84.2) | |
| III | 37 (12.4) | 36 (12.9) | 1 (5.3) | |
| Vascular invasion n (%) | 0.073 | |||
| Yes | 165 (55.7) | 150 (54.3) | 15 (75.0) | |
| No | 131 (44.3) | 126 (45.7) | 5 (25.0) | |
| Perineural invasion (%) | 0.510 | |||
| Yes | 219 (73.7) | 203 (73.3) | 16 (80.0) | |
| No | 78 (26.3) | 74 (26.7) | 4 (20.0) | |
SD, standard deviation; ASA, American Society of Anaesthesiologists.