Table 2 The results of operation-related data and complications in observational studies
Laparoscope vs open group | No. of studies | Pfor Heterogeneity | Effect model | Pooled estimate | 95% Confidence interval | Pfor Test for overall effect |
|---|---|---|---|---|---|---|
operating times | 4 | < 0.00001 | random | 11.97 | 0.87 to 23.06 | 0.03 |
hospital stays | 2 | < 0.00001 | random | -0.68 | -3.33 to 1.96 | 0.61 |
exit site and tunnel infection | 6 | 0.79 | fixed | 0.76 | 0.45 to 1.28 | 0.30 |
peritonitis | 6 | 0.23 | fixed | 0.74 | 0.48 to 1.15 | 0.18 |
dialysate leaks | 10 | 0.33 | fixed | 1.00 | 0.56 to 1.80 | 0.99 |
catheter migration | 3 | 0.06 | fixed | 0.56 | 0.20 to 1.62 | 0.29 |
pericannular bleeding | 3 | 0.22 | fixed | 0.40 | 0.09 to 1.85 | 0.24 |
blockage | 7 | 0.04 | random | 0.66 | 0.27 to 1.62 | 0.36 |
hernia | 3 | 0.72 | fixed | 1.10 | 0.47 to 2.58 | 0.83 |