Meta-Analysis
Copyright ©The Author(s) 2019.
World J Gastroenterol. Oct 7, 2019; 25(37): 5711-5731
Published online Oct 7, 2019. doi: 10.3748/wjg.v25.i37.5711
Table 2 Meta-analysis of intraoperative and perioperative results
Outcome of interestNo. of studiesSample size
Heterogeneity
ModelOverall effect size95%CI of overall effectP-value
TLPDOPDPI2
Operative time116421129< 0.0000199%RWMD = 77.9240.89, 114.95< 0.0001
EBL106121324< 0.0000198%RWMD = -260.08-336.02, -184.14< 0.00001
Transfusion rate121254159640.00360%ROR = 0.510.36, 0.720.0001
Overall morbidity121407221260.1037%FOR = 0.820.73, 0.920.0008
Major morbidity1688617040.0541%FOR = 0.880.70, 1.100.25
POPF1795476290.423%FOR = 0.950.79, 1.150.62
POPF (grade B/C)1894218210.470FOR = 0.960.76, 1.220.75
DGE1389074520.980FOR = 0.990.78, 1.240.90
DGE (grade B/C)74799940.600FOR = 0.630.45, 0.880.006
PPH1377173630.740FOR = 1.120.89, 1.420.34
PPH (grade B/C)74549660.910FOR = 1.020.65, 1.600.95
Bile leak82895220.960FOR = 1.110.57, 2.160.76
Gastroente-ric anastomosis fistula42014230.770FOR = 0.620.16, 2.400.49
Wound infection1061270330.387%FOR = 0.480.34, 0.67< 0.0001
Intra-abdominal abscess645566760.3214%FOR = 0.970.71, 1.310.82
Bowel obstruction273730.330FOR = 1.000.14, 7.311.00
Fluid collection31423670.2037%FOR = 1.500.90, 2.480.12
Pneumonia131489223990.990FOR = 0.720.60, 0.850.0002
Cardiac event61200218770.750FOR = 1.040.82, 1.320.75
Reoperation1488176160.405%FOR = 1.100.83, 1.470.51
ICU admission21712830.400FOR = 0.900.53, 1.540.71
ICU stay2652270.620FWMD = -2.08-2.88, -1.29< 0.00001
Diet Start Time3175284<0.000190%RWMD = -1.75-3.38, -0.120.04
LOS10154411922< 0.0000178%RWMD = -3.05-3.93, -2.17< 0.00001
Discharge to a new facility449868260.740FOR = 0.550.39, 0.780.0008
30-d readmission102006197860.3015%FOR = 0.810.68, 0.950.010
90-d readmission41362790.700FOR = 1.070.62, 1.840.81
30-d mortality182870353370.700FOR = 1.000.81, 1.241.00
90-d mortality11127391590.770FOR = 0.770.58, 1.010.06