Table 7.
Outcomes of sensitivity analysis
| Sensitivity analysis |
Heterogeneity test |
Overall effect |
||
| I² (%) | Tau² | OR/WMD and 95%CI | P value | |
| Operative time | ||||
| Include all studies | 84 | 62.60 | -12.95 (-22.29 to -3.61) | 0.007 |
| Exclude "He et al 2017" | 81 | 142.92 | -20.41 (-36.14 to -4.68) | 0.01 |
| Exclude "Huang et al 2017" | 88 | 70.94 | -12.75 (-23.99 to -1.52) | 0.03 |
| Exclude "Park et al 2014" | 69 | 18.50 | -8.03 (-14.13 to -1.94) | 0.01 |
| Exclude "Li et al 2011" | 88 | 235.46 | -19.13 (-38.42 to 0.16) | 0.05 |
| Intraoperative blood loss | ||||
| Include all studies | 90 | 1798.47 | -46.38 (-91.93 to -0.83) | 0.05 |
| Exclude "He et al 2017" | 92 | 3010.33 | -69.86 (-136.73 to -2.99) | 0.04 |
| Exclude "Huang et al 2017" | 93 | 4274.27 | -60.75 (-139.17 to 17.68) | 0.13 |
| Exclude "Park et al 2014" | 65 | 259.64 | -15.15 (-37.95 to 7.64) | 0.19 |
| Exclude "Li et al 2011" | 93 | 2690.80 | -64.63 (-127.90 to -1.37) | 0.05 |
| Hospital stay | ||||
| Include all studies | 69 | 0.65 | -0.71 (-1.69 to 0.27) | 0.16 |
| Exclude "Huang et al 2017" | 9 | 0.03 | -1.22 (-1.71 to -0.73) | < 0.00001 |
CI: Confidence interval; OR: Odds ratio; WMD: Weighted mean differences.