Table 1 Baseline parameters
Conventional group | CME/CVL group | p value | |
|---|---|---|---|
n = 84 | n = 71 | ||
Patient characteristics | |||
Female gender | 42 (50.0) | 32 (45.1) | 0.540 |
Age (years)* | 73.8 (21.0–88.9) | 73.6 (33.0–88.9) | 0.843 |
Arterial hypertension | 34 (38.6) | 38 (52.1) | 0.088 |
Coronary artery disease | 10 (11.9) | 12 (16.9) | 0.374 |
Cerebrovascular insult | 0 (0.0) | 5 (7.0) | 0.019 |
Diabetes mellitus | 5 (6.1) | 13 (18.3) | 0.019 |
Chronic kidney disease | 4 (4.8) | 7 (9.9) | 0.218 |
Dialysis | 0 (0.0) | 2 (2.8) | 0.208 |
Chronic obstructive pulmonary disease | 5 (6.0) | 4 (5.6) | 1.000 |
Body mass index** | 24.9 (4.3) (16.6–34.9) | 25.5 (3.7) (18.1–35.6) | 0.361 |
Smoker | 16 (19.0) | 9 (12.7) | 0.283 |
Alcohol abuse | 9 (10.7) | 3 (4.2) | 0.132 |
Steroids | 2 (2.4) | 2 (2.8) | 1.000 |
Previous abdominal surgery | 46 (54.8) | 41 (57.7) | 0.709 |
ASA 1 | 3 (3.6) | 2 (2.8) | |
ASA 2 | 56 (66.7) | 48 (67.6) | |
ASA 3 | 25 (29.8) | 21 (29.6) | 0.964 |
Perioperative parameters | |||
Operation time (minutes)** | 155 (52) (62–315) | 174 (48) (105–374) | 0.020 |
Anaesthesia time (minutes)** | 279 (67) (140–510) | 292 (52) (204–465) | 0.179 |
First surgeon: consultant | 35 (41.7) | 47 (66.2) | 0.002 |
Laparoscopic operation | 0 (0.0) | 22 (31.0) | < 0.001 |
Laparoscopy-assisted operation | 10 (11.9) | 28 (39.4) | < 0.001 |
Extended right colectomy | 6 (7.1) | 5 (7.0) | 0.981 |
Stapler anastomosis | 57 (67.9) | 70 (98.6) | < 0.001 |
Side-to-side anastomosis | 57 (67.9) | 69 (97.2) | < 0.001 |
Insertion of drains intraoperatively | 45 (53.6) | 49 (69.0) | 0.050 |
Intraoperative fluid balance (ml)** | 2642 (1021) (500–5800) | 1558 (803) (180–4890) | < 0.001 |
Continuous epidural analgesia | 65 (77.4) | 62 (87.3) | 0.109 |
Preoperative bowel preparation | 26 (31.0) | 2 (2.8) | < 0.001 |