Table 2 Perioperative outcomes of 186 elderly patients with colorectal cancer in matched cohorts
Variables | OPEN (n = 93) | LAP (n = 93) | P |
|---|---|---|---|
Surgical outcome | |||
Duration of operation (min, mean ± SD) (range) | 149.1 ± 53.9 (45–350) | 161.2 ± 55.3 (65–380) | 0.064 |
Intraoperative blood loss (mL, mean ± SD) (range) | 108.1 ± 78.5 (10–400) | 50.9 ± 44.9 (10–200) | < 0.001 |
Blood transfusion | 21 (22.6%) | 15 (16.1%) | 0.265 |
Intraoperative complication | 0 (0%) | 1 (1.1%) | 1.000 |
Postoperative complication | 25 (26.9%) | 10 (10.8%) | 0.005 |
Wound infection | 9 (9.7%) | 1 (1.1%) | 0.009 |
Anastomosis leakage | 4 (4.3%) | 2 (2.2%) | 0.678 |
Ileus | 5 (5.4%) | 2 (2.2%) | 0.441 |
Uroschesis | 1 (1.1%) | 1 (1.1%) | 1.000 |
Pneumonia | 3 (3.2%) | 2 (2.2%) | 1.000 |
Pelvic abscess | 0 (0%) | 1 (1.1%) | 1.000 |
Arrhythmia | 3 (3.2%) | 1 (1.1%) | 1.000 |
Pleural effusion | 2 (2.1%) | 0 (0%) | 0.477 |
Delayed gastric emptying | 4 (4.3%) | 1 (1.1%) | 0.365 |
Bacteremia | 1 (1.1%) | 0 (0%) | 1.000 |
Postoperative complication (ClavienDindo classification) | |||
I-II | 16 (17.2%) | 6 (6.5%) | 0.023 |
III-V | 9 (9.7%) | 4 (4.3%) | 0.150 |
Mortality | 0 (0%) | 0 (0%) | – |
ICU staying | 13 (13.9%) | 7 (7.5%) | 0.156 |
Pathological outcome | |||
Retrieved lymph node (mean ± SD) (range) | 17.2 ± 9.1 (1–55) | 20.3 ± 10.5 (5–58) | 0.030 |
Tumor size | 0.378 | ||
< 5 cm | 46 (49.5%) | 52 (55.9%) | |
≥ 5 cm | 47 (50.5%) | 41 (44.1%) | |
Perineural invasion | 22 (23.7%) | 18 (19.4%) | 0.475 |
Vascular invasion | 28 (30.1%) | 24 (25.8%) | 0.513 |
Positive CRM | 1 (1.1%) | 0 (0%) | 0.316 |
Postoperative recovery | |||