Table 3 Pooled short-term outcomes of meta-analysis
Outcomes | Number of studies | Sample size | Heterogeneity ( P, I 2) | Overall effect size | 95% CI of overall effect | P value | |
|---|---|---|---|---|---|---|---|
LADG | TLDG | ||||||
Operation time (min) | 12 | 1,228 | 1,027 | <0.01, 97% | WMD = 7.59 | −8.08 to 23.25 | 0.34 |
Blood loss (ml) | 10 | 764 | 677 | <0.01, 92% | WMD = 36.92 | 13.43 to 60.41 | <0.01 |
Retrieved lymph nodes | 10 | 1,045 | 833 | 0.23, 23% | WMD = −1.01 | −2.07 to 0.07 | 0.06 |
Proximal margin (cm) | 8 | 982 | 874 | <0.01, 96% | WMD = −0.48 | −1.28 to 0.31 | 0.23 |
Distal margin (cm) | 5 | 846 | 647 | <0.01, 74% | WMD = −0.51 | −1.06 to 0.05 | 0.07 |
Analgesics use (times) | 5 | 764 | 491 | <0.01, 84% | WMD = 0.52 | −0.17 to 1.21 | 0.14 |
Time to first flatus (days) | 10 | 882 | 763 | <0.01, 96% | WMD = 0.23 | −0.13 to 0.59 | 0.21 |
Time to liquid diet (days) | 6 | 292 | 333 | <0.01, 92% | WMD = 0.30 | −0.15 to 0.75 | 0.19 |
Time to soft diet (days) | 5 | 571 | 522 | <0.01, 81% | WMD = 0.60 | 0.04 to 1.17 | 0.04 |
Hospital stay (days) | 12 | 1228 | 1027 | <0.01, 80% | WMD = 0.68 | 0.17 to 1.18 | <0.01 |
Overall complications | 12 | 1228 | 1027 | 0.41, 3% | RR = 0.97 | 0.75 to 1.27 | 0.85 |