Table 1. Patient demographics and preoperative characteristics of intracorporeal and extracorporeal groups.
| Variables | IA n = 379 (RRCIA n = 335 LRCIA n = 44) |
EA n = 650 (RRCEA n = 253 LRCEA n = 397) |
Unadjusted p-valuea |
Adjusted p-valueb |
|---|---|---|---|---|
| Age (years) | ||||
| Mean ± SD [n] | 66.2 ± 12.1 [379] |
65.9 ± 13.3 [650] | 0.71 | 0.83 |
| Gender, n (%) | ||||
| Female | 199 (52.5%) | 316 (48.6%) | 0.23 | 0.16 |
| Male | 180 (47.5%) | 334 (51.4%) | ||
| BMI | ||||
| Mean ± SD [n] (95% CI) |
29.6 ± 6.5 [379] (28.9, 30.2) |
28.2 ± 6.1 [650] (27.8, 28.7) |
0.001 | 0.84 |
| ASA group | ||||
| ASA class 1–2 | 167 (44.1%) | 380 (58.5%) | <0.0001 | 0.62 |
| ASA class 3–6 | 208 (54.9%) | 258 (39.7%) | ||
| Unknown** | 4 (1.1%) | 12 (1.8%) | ||
| Previous Abdominal Surgery, n (%) | 196 (51.7%) | 309 (47.5%) | 0.34 | 0.33 |
| Preoperative Diagnosis, n (%) | ||||
| Benign Neoplasm | 180 (47.5%) | 302 (46.5%) | 0.75 | 0.84 |
| Malignant Neoplasm | 178 (47.0%) | 298 (45.8%) | 0.73 | 0.82 |
| Inflammatory Bowel Disease | 18 (4.7%) | 43 (6.6%) | 0.22 | 0.96 |
| ≥ 1 Comorbidity, n (%) | 288 (76.0%) | 468 (72.0%) | 0.16 | 0.99 |
IA = Intracorporeal, EA = Extracorporeal, SD = standard deviation, min = minutes, n = number
RRCIA = Robotic Right Colectomy Intracorporeal Anastomosis, LRCIA = Laparoscopic Right Colectomy Intracorporeal Anastomosis
RRCEA = Robotic Right Colectomy Extracorporeal Anastomosis, LRCEA = Laparoscopic Right Colectomy Extracorporeal Anastomosis
** = unknown or missing data
ap value before propensity score adjustment
bp value after propensity score adjustment