Outcome | Number of studies included in meta-analysis | Summary effect* (95% CI); P value | Heterogeneity (I2 value) (%) |
---|---|---|---|
Primary outcome | |||
LTR | 2 | 1.66 (0.32, 8.66); P = 0.103 | 62 |
Secondary outcomes | |||
OS (1-year) | 3 | 1.04 (0.93, 1.17); P = 0.495 | 0 |
OS (3-year) | 3 | 1.24 (0.81, 1.89); P = 0.322 | 11 |
Length of hospital stay (days) | 2 | − 1.98 (− 7.86, 3.90); P = 0.508 | 94 |
DFS (1-year) | 2 | 0.78 (0.31, 1.94); P = 0.59 | 66 |
DFS (3-year) | 2 | 0.59 (0.18, 1.91); P = 0.383 | 43 |
Overall complications | 3 | 0.39 (0.18, 0.85); P = 0.018 | 20 |
Major complications | 2 | 0.24 (0.09, 0.60); P = 0.002 | 0 |