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Table 2 Perioperative outcomes of 186 elderly patients with colorectal cancer in matched cohorts

From: Laparoscopic vs open colorectal cancer surgery in elderly patients: short- and long-term outcomes and predictors for overall and disease-free survival

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
  1. OP open surgery; LAP laparoscopic surgery; CRM circumferential resection margin