Table 2.
Meta-analysis of patient characteristics in the included studies
| Outcome | N.O. Studies | RCS | LCS | OR/MD 95% CI | I2 (%) | p-value |
|---|---|---|---|---|---|---|
| Age (SD) | 17 | 66.87 (10.31) | 67.69 (10.81) | − 0.67 [− 2.46, 1.11] | 80.85 | 0.46 |
| BMI (SD) | 17 | 25.54 (3.58) | 25.49 (4.03) | 0.02 [− 0.47, 0.51] | 63.54 | 0.95 |
| Male gender (%) | 19 | 918 (56.9) | 5960 (50.0) | 1.31 [1.16, 1.47] | 59.07 | 0.00 |
| Previous abdominal surgery (%) | 13 | 246 (30.8) | 344 (32.9) | 0.76 [0.62, 0.95] | 0.00 | 0.01 |
| ASA ≥ 3 (%) | 16 | 286 (30.2) | 1629 (45.3) | 0.94 [0.77, 1.14] | 26.60 | 0.53 |
| T-stage ≥ 3 (%) | 18 | 831 (54.9) | 6736 (71.7) | 0.90 [0.79, 1.04] | 0.00 | 0.14 |
N.O. number of, RCS robot-assisted colon surgery, LCS laparoscopic colon surgery, OR odds ratio, MD mean difference, CI = confidence interval, I2 heterogeneity