Table 2 Outcomes of the meta-analysis comparing 3D and 2D ET
Variables | No. of studies | Patients (3D vs 2D) | Heterogeneity | Model | WMD/RR, (95% CI) | P value | |
|---|---|---|---|---|---|---|---|
I2 | P value | ||||||
Procedure time | 15 | 583/607 | 88.4% | 0.000 | Random | − 14.95 (− 18.48, − 11.42) | 0.000 |
Blood loss | 15 | 583/607 | 93.6% | 0.000 | Random | − 6.91 (− 9.20, − 4.62) | 0.000 |
Postoperative drainage | 13 | 511/535 | 69.0% | 0.000 | Random | − 2.98 (− 5.50, − 0.46) | 0.000 |
Postoperative hospitalization | 14 | 557/573 | 18.4% | 0.253 | Fixed | − 0.10 (− 0.21, − 0.01) | 0.068 |
Postoperative complications | 12 | 501/525 | 0.0% | 0.959 | Fixed | 0.56a (0.41, 0.77) | 0.000 |
LNDs | 4 | 128/131 | 0.0% | 0.782 | Fixed | 0.67 (0.19, 1.15) | 0.006 |
Total cost | 8 | 288/296 | 85.8% | 0.000 | Random | 275.10 (− 188.57, 738.76) | 0.245 |