Outcome of interest | No. of studies | No.of patients SF/NSF | OR/WMD(95%CI) a | p-value | Study heterogeneity | |||
---|---|---|---|---|---|---|---|---|
Chi2 | df | I 2 | p-value | |||||
Operative time, min | 6 | 706/368 | −19.85[−25.52,-14.18] | <0.0001 | 8.62 | 5 | 42% | 0.13 |
No of tract | 3 | 618/322 | −0.03[−0.14,0.08] a | 0.62 | 4.76 | 2 | 58% | 0.09 |
Mean tract length | 3 | 623/321 | 0.77[−2.06,3.61] | 0.59 | 1.92 | 2 | 0% | 0.38 |
LOS, days | 6 | 706/368 | −0.53[−0.88,-0.17] | 0.003 | 5.00 | 5 | 0% | 0.42 |
Transfusion rate | 2 | 228/130 | 0.22[0.08,0.55] a | 0.001 | 0.34 | 1 | 0% | 0.56 |
Change in Hb level(g/mL) | 2 | 228/130 | −0.21[−0.55,0.13] | 0.22 | 0.01 | 1 | 0% | 0.92 |