Table 2. Overall analysis of LN vs. ON.
| Statistical results | Study heterogeneity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Outcome | No. of studies | LN/ON | Statistic | Value(95%CI) | P | χ2 | df | Iflue | P |
| Operative time(min) | 7 | 118/77 | WMD | 30.23(14.54,45.93) | <0.001 | 7.78 | 6 | 23.8 | 0.248 |
| LOS(day) | 7 | 118/77 | WMD | -3.576(-4.976,-2.176) | <0.001 | 19.92 | 6 | 69.9 | 0.003 |
| Specimen(g) | 5 | 87/48 | WMD | -986.5(-1883,-89.80) | 0.031 | 22.64 | 4 | 82.3 | <0.001 |
| Analgesic(mg) | 3 | 37/35 | WMD | -54.66(-129.8,-20.44) | 0.154 | 6.47 | 2 | 69.1 | 0.039 |
| EBL(ml) | 3 | 37/35 | WMD | -180.3(-317.9,-42.57) | 0.01 | 4.2 | 2 | 52.4 | 0.122 |
| Complication(%) | 5 | 95/53 | OR | 0.545(0.329,0.903) | 0.018 | 1.14 | 4 | 0 | 0.888 |
| Transfusion(%) | 3 | 79/37 | OR | 0.345(0.183,0.650) | 0.001 | 0.14 | 2 | 0 | 0.932 |
Overall analysis between the two techniques.