Table 1.
Baseline characteristics after propensity score matching, n (%)
|
|
Group RS (n = 42)
|
Group LS (n = 42)
|
P value
|
| Age (yr)1 | 63.5 (55-69) | 65 (57.8-72.3) | 0.211 |
| Sex | 1.000 | ||
| Male | 32 (76.2) | 32 (76.2) | |
| Female | 10 (23.8) | 10 (23.8) | |
| BMI2 | 22.5 (2.03) | 22.6 (2.41) | 0.815 |
| COPD | 8 (19) | 8 (19) | 1.000 |
| Hypertension | 11 (26.2) | 9 (21.4) | 0.608 |
| Diabetes mellitus | 2 (4.8) | 4 (9.5) | 0.397 |
| Coronary artery disease | 1 (2.4) | 2 (4.8) | 0.557 |
| ASA Grade | 0.890 | ||
| 1 | 5 (11.9) | 4 (9.5) | |
| 2 | 22 (52.4) | 24 (57.1) | |
| 3 | 15 (35.7) | 14 (33.3) | |
| Neoadjuvant therapy received | 9 (21.4) | 8 (19) | 0.786 |
| Distance between tumor and AV (cm)1 | 3 (2-5) | 3 (2.5-4) | 0.996 |
| Stage | 0.969 | ||
| I | 10 (23.8) | 10 (23.8) | |
| II | 16 (38.1) | 15 (35.7) | |
| III | 16 (38.1) | 17 (40.5) |
1
Values are median (interquartile range: 25th-75th percentile).
2
Values are mean (SD).
Values in parentheses are percentages, unless indicated otherwise. ASA: American Society of Anesthesiologists physical status classification; AV: Anal verge; BMI: Body mass index; COPD: Chronic obstructive pulmonary disease; RS: Robotic surgery; LS: Laparoscopic surgery.