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. 2012 Jul 27;13:69. doi: 10.1186/1471-2369-13-69

Table 3.

The results of operation-related data and complications in RCTs

Laparoscope vs open group No. of studies Pfor Heterogeneity Effect model Pooled estimate 95% Confidence interval Pfor Test for overall effect
operating times
3
0.05
random
8.66
4.78 to 12.54
<0.0001
hospital stays
2
0.49
fixed
0.79
-0.04 to 1.63
0.06
infection
4
0.21
fixed
0.92
0.61 to 1.39
0.70
dialysate leaks
4
0.02
random
0.45
0.06 to 3.34
0.43
catheter migration
4
0.16
fixed
0.61
0.32 to 1.17
0.14
pericannular bleeding
2
0.96
fixed
3.35
0.92 to 12.24
0.07
hernia 2 0.65 fixed 1.55 0.25 to 9.46 0.63