Table 2.
Baseline patient characteristics
| Meta-analysis | Heterogeneity | |||||||
|---|---|---|---|---|---|---|---|---|
| Outcome | # Studies | Robot n | Comparator n | Effect size [95% CI] | p-value | Model | I2 | p-value |
| Robotic vs. Laparoscopic | ||||||||
| Age (year) | 14 | 56,406 | 190,162 | MD: 0.95 [0.18, 1.71] | 0.01 | RE | 98% | < 0.00001 |
| BMI | 8 | 1715 | 1803 | MD: 0.25 [– 0.64, 1.14] | 0.58 | RE | 67% | 0.003 |
| Uterine weight (g) | 6 | 1579 | 802 | MD: – 23.6 [– 33.45, – 13.91] | < 0.0001 | FE | 0% | 0.88 |
| # Large uterus | 3 | 2842 | 18,362 | OR: 1.10 [1.00, 1.22] | 0.06 | FE | 30% | 0.24 |
| Prior surgery | 7 | 2623 | 3214 | OR: 0.97 [0.74, 1.25] | 0.79 | RE | 61% | 0.02 |
| Robotic vs. Open | ||||||||
| Age | 7 | 71,887 | 554,020 | MD: 0.77 [0.20, 1.33] | 0.008 | RE | 99% | < 0.00001 |
| BMI | 2 | 84 | 94 | MD: – 1.14 [– 5.05, 2.77] | 0.57 | RE | 91% | 0.0007 |
| # Large uterus | 2 | 3315 | 17,230 | OR: 1.47 [0.14, 15.45] | 0.75 | RE | 100% | < 0.00001 |
| Prior surgery | 2 | 84 | 94 | OR: 0.37 [0.03, 5.39] | 0.47 | RE | 81% | 0.02 |
| Robotic vs. Vaginal | ||||||||
| Age (year) | 6 | 71,863 | 192,719 | MD: – 1.74 [– 3.64, 0.16] | 0.07 | RE | 100% | < 0.00001 |
| Uterine weight (g) | 3 | 1459 | 420 | MD: 0.70 [– 126.49, 127.90] | 0.99 | RE | 99% | < 0.00001 |
| # Large uterus | 2 | 3315 | 11,888 | OR: 1.87 [1.13, 3.11] | 0.02 | RE | 95% | < 0.00001 |
| Prior surgery | 2 | 1075 | 3801 | OR: 1.79 [1.56, 2.05] | < 0.00001 | FE | 0% | 0.75 |
CI confidence interval, MD mean difference, BMI body mass index, OR odds ratio, RD risk difference, RE random effects model, FE fixed effects model
Bolding indicates significance (p < 0.05)