Table 3 Pooled outcomes of subgroup analysis for studies of wedge resection
Outcomes | Number of studies | Sample size | Heterogeneity (P, I2) | Overall effect size | 95% CI of overall effect | P | |
|---|---|---|---|---|---|---|---|
| Â | Â | LAP | OPEN | Â | Â | Â | Â |
Operation time (min) | 8 | 203 | 233 | <0.001, 82% | WMD = 12.03 | -8.03, 32.09 | 0.24 |
Blood loss (ml) | 5 | 118 | 151 | 0.03, 64% | WMD = -48.29 | -78.23, -18.36 | <0.01 |
Time to first flatus (d) | 6 | 119 | 144 | 0.10, 46% | WMD = -1.35 | -1.66, -1.03 | <0.01 |
Time to oral intake (d) | 7 | 182 | 208 | 0.001, 73% | WMD = -1.67 | -2.19, -1.15 | <0.01 |
Hospital stay (d) | 8 | 203 | 233 | 0.002, 68% | WMD = -2.53 | -3.50, -1.57 | <0.01 |
Overall complications | 8 | 203 | 233 | 0.70, 0% | RR = 0.47 | 0.22, 1.01 | 0.05 |
Tumor size (cm) | 8 | 203 | 233 | 0.10, 42% | WMD = -0.77 | -1.23, -0.31 | <0.01 |
Recurrence | 5 | 130 | 165 | 0.95, 0% | RR = 1.01 | 0.39, 2.63 | 0.99 |