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Table 8 Analysis of postoperative morbidity

From: Laparoscopic versus open approach in gastrectomy for advanced gastric cancer: a systematic review

  Sample size Heterogeneity test
Measure outcomes No. of studies LG OG OR, WMD, or HR Lower 95% CI Upper 95% CI P I2 (%) P
Over morbidity 35 79 1031 0.83 0.77 0.91 > 0.05 14.50 0.228
Specific complications          
 Intra-abdominal bleeding 12 23 28 0.86 0.5 1.47 > 0.05 0 0.838
 Anastomotic bleed 12 14 13 1.14 0.59 2.22 > 0.05 0 0.919
 Anastomotic stenosis 11 19 24 0.75 0.42 1.31 > 0.05 0 0.747
 Anastomotic leakage 24 75 97 0.85 0.63 1.15 > 0.05 0 0.819
 Duodenal stump leakage 13 27 29 0.93 0.56 1.52 > 0.05 0 0.845
 Abdominal infection 16 56 69 0.78 0.55 1.1 > 0.05 0 0.996
 Lymphatic fistula 8 16 17 0.86 0.45 1.64 > 0.05 0 0.896
General complications          
 Pneumonia 20 106 132 0.84 0.65 1.08 > 0.05 0 0.88
 Wound problems 22 79 143 0.53 0.41 0.7 < 0.0001 3.50 0.413
 Postoperative ileus 15 35 57 0.64 0.43 0.96 < 0.05 0 0.89
 Pancreatitis or pancreatic leakage 14 64 42 1.42 0.98 2.05 > 0.05 0 0.935
  1. LG laparoscopic gastrectomy, OG open gastrectomy