Table 1.
Patient characteristics and perisurgical outcomes n (%)
| Total patients (n = 134) | |
| Age (yr) | 87.4 (85-97) |
| Sex (male/female) | 77/57 |
| Post-operative hospital stay (d) | 29 (9-305) |
| Comorbidity | 89 (66.0) |
| Hypertension | 52 (39.0) |
| Cardiovascular disease | 36 (27) |
| Respiratory disease | 13 (9.7) |
| Cerebrovascular disease | 9 (6.7) |
| Diabetes mellitus | 13 (9.7) |
| Renal dysfunction | 4 (3.0) |
| Other | 4 (3.0) |
| Number of comorbidities | |
| 0 | 45 |
| 1/2 | 63/18 |
| 3/4 | 6/2 |
| Operation | |
| Distal | 84 |
| Proximal | 5 |
| Total | 34 |
| Partial | 4 |
| Bypass | 4 |
| Unresectable | 3 |
| Procedure | |
| Open | 122 |
| Laparoscopy | 12 |
| Lymphadenectomy | |
| D0/D1 | 17/52 |
| D1+/D2 | 40/25 |
| Lymphadenectomy | |
| Radical/limited | 59/75 |
| Number of resected LN | 23 (0-67) |
| Operative time (min) | 206 (62-426) |
| Bleeding (g) | 263 (10-1855) |
| Residual tumor | |
| R0/1/2 | 103/10/21 |
LN: Lymph node.