Table 4.
Characteristics of the patients, open surgery group (open) versus laparoscopic surgery group (lap)
| Open (N = 21) | Lap (N = 54) | p value** | ||
|---|---|---|---|---|
| Sex (%) | M | 15 (71.4) | 33 (61.1) | 0.40 |
| F | 6 (28.6) | 21 (38.9) | ||
| Age* | 68.0 (50-86) | 63.5 (30-82) | 0.061 | |
| BMI* | 19.7 (16.7-28.0) | 21.3 (14.4-34.9) | 0.73 | |
| ASA (%) | 1 | 4 (19.0) | 21 (38.9) | 0.17 |
| 2-3 | 17 (81.0) | 33 (61.1) | ||
| T (%) | 2 | 0 (0) | 1 (1.9) | 0.042 |
| 3 | 8 (38.1) | 32 (59.3) | ||
| 4a | 8 (38.1) | 18 (33.3) | ||
| 4b | 5 (23.8) | 3 (5.6) | ||
| N (%) | 0 | 10 (47.6) | 20 (37.0) | 0.37 |
| 1 | 4 (19.0) | 19 (35.2) | ||
| 2 | 7 (33.3) | 15 (27.8) | ||
| Stage (%) | I | 0 (0) | 1 (1.9) | 0.23 |
| II | 8 (38.1) | 18 (33.3) | ||
| III | 5 (23.8) | 20 (37.0) | ||
| IV | 8 (38.1) | 14 (25.9) | ||
| Location (%) | Right | 6 (28.6) | 10 (18.5) | 0.35 |
| Left | 15 (71.4) | 44 (81.5) | ||
| Size (mm)* | 65.0 (40-108) | 61.5 (0-615) | 0.36 | |
| Operation time (min)* | 199 (127-610) | 252.5 (137-812) | 0.49 | |
| Blood loss (ml)* | 210 (40-4850) | 30 (5-615) | 0.0017 | |
| Lymph node dissection* | 25 (7-72) | 25 (8-102) | 0.62 | |
| Postoperative stay (day)* | 14 (8-54) | 13 (8-47) | 0.60 | |
| Postoperative complication, Clavien-Dindo ≥grade III (%) | 5 (23.8) | 7 (13.0) | 0.26 | |
| Anastomotic leakage | 2 | 5 | ||
| SSI | 2 | 0 | ||
| Ileus | 1 | 2 | ||
BMI body mass index, ASA American Society of Anesthesiologists
*Median (min-max)
**chi-squared test