Table 1.
Patients’ characteristics
| Characteristic | Right | Left | P-value |
|---|---|---|---|
| Age (yr) | 66.73 ± 2.27 | 64.43 ± 2.05 | 0.493 |
| Sex | 0.828 | ||
| Male | 9 (60) | 19 (63.3) | |
| Female | 6 (40) | 11 (36.7) | |
| Body mass index (kg/m²) | 22.55 ± 0.95 | 23.31 ± 0.59 | 0.483 |
| ASA PS classification | 0.659 | ||
| I | 3 (20) | 5 (16.5) | |
| II | 11 (73.3) | 20 (67) | |
| III | 1 (6.7) | 5 (16.5) | |
| Medical history | 0.783 | ||
| Yes | |||
| Endocrine disease (DM) | 3 (20) | 5 (16.7) | |
| Cardiac disease (HTN) | 8 (53) | 14 (46.7) | |
| Pulmonary disease | 1 (6.7) | 16 (53.3) | |
| No | 3 (20) | 5 (16.7) | |
| Previous abdominal operative history | 6 (40) | 15 (50) | 0.526 |
| Substance use | |||
| Smoking | 2 (18.2) | 5 (23.8) | 0.715 |
| Alcohol | 3 (27.3) | 6 (28.6) | 0.938 |
| Preop CEA (ng/mL) | 13.7 ± 5.9 | 9.48 ± 3.6 | 0.515 |
Values are presented as mean ± standard deviation or number (%).
AV, anal verge; ASA PS, American Society of Anesthesiologists physical status; DM, diabetes mellitus; HTN, hypertension; Preop CEA, preoperative carcinoembryonic antigen.