Table 1 Preoperative and intraoperative variables
Parameters | Patients (n = 289) | Missing rate (%) |
|---|---|---|
Age (years) | 63.2 ± 11.5 | 0.00 |
Male gender | 176 (60.9%) | 0.00 |
Body mass index (kg/m2) | 29.3 ± 6.8 | 0.35 |
Corrected ARISCAT score | 29.5 ± 11.8 | 4.84 |
Current smoker | 51 (17.6%) | 0.00 |
American Society of Anesthesiologists status | ||
Class 1 | 21 (7.3%) | |
Class 2 | 124 (42.9%) | 2.08 |
Class 3 | 129 (44.6%) | |
Class 4 | 9 (3.1%) | |
No of patients with ≥ 1 chronic disease | 214 (74.0%) | 0.00 |
Types of chronic disease* | ||
Obstructive lung disease | 84 (29.1%) | |
Type II diabetes mellitus | 57 (19.7%) | |
Essential hypertension | 149 (51.6%) | |
Renal disease (creatinine > 120 umol/L) | 25 (8.7%) | 0.00 |
Hepatic disease (bilirubin > 20 umol/L) | 25 (8.7%) | |
Coronary artery disease | 46 (15.9%) | |
Emergency surgery | 6 (2.1%) | 0.00 |
Types of laparoscopic procedures | ||
Anterior resection | 61 (21.1%) | |
Left or right hemicolectomy | 60 (20.8%) | |
Small bowel resection | 2 (0.7%) | |
Intestinal bypass | 2 (0.7%) | 0.00 |
Adrenalectomy | 4 (1.4%) | |
Colostomy or adhesiolysis | 6 (2.1%) | |
Cholecystectomy | 10 (3.5%) | |
Diaphragmatic hernia repair | 1 (0.3%) | |
Fundoplication | 5 (1.7%) | |
Sleeve gastrectomy gastric bypass | 17 (5.9%) | |
Splenectomy | 2 (0.7%) | |
Pancreatectomy | 1 (0.3%) | |
Hernia repair | 7 (2.4%) | |
Liver resection | 20 (6.9%) | |
Nephrectomy | 45 (15.6%) | |
Radical prostatectomy | 35 (12.1%) | |
Pyeloplasty | 1 (0.3%) | |
Rectopexy | 1 (0.3%) | |
Removal of pelvic or peritoneal mass | 3 (1.0%) | |
Exploratory procedures | 6 (2.1%) | |
Duration of surgical procedure (min) | 184.0 (137.3 to 240.0) | 0.35 |
Intraoperative fluid administration (l) | 2.0 (1.0 to 2.1) | 1.73 |