Table 1.
Comparison of parameters between patients with no abnormal findings in computed tomography of the abdomen and pelvis (group 1) and patients with postoperative pneumoperitoneum and/or bowel injury (group 2)
| Characteristic | Group 1 | Group 2 | p-value |
|---|---|---|---|
| Age (yr) | 68.8 | 70.4 | 0.786 |
| Sex (male/female) | 0.603 | ||
| Male | 14 | 2 | |
| Female | 69 | 5 | |
| Body mass index (kg/m2) | 26.4 | 26.0 | 0.381 |
| Surgical history in abdomen/pelvis (%) | 18.1 | 14.3 | 0.638 |
| Direction of approach | 0.444 | ||
| Right | 6 | 1 | |
| Left | 77 | 6 | |
| Operation time (min) | 326.1 | 258.3 | 0.302 |
| Estimated blood loss (mL) | 927.5 | 964.3 | 0.464 |
| Cage height (mm) | 12.6 | 12.7 | 0.591 |