Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 21, 2006; 12(47): 7676-7683
Published online Dec 21, 2006. doi: 10.3748/wjg.v12.i47.7676
Table 2 Operative findings
OutcomeType of studiesincluded in themeta-analysisTrials(n)Patients(n)Pooled resultsWMD (95% CI)InterpretationTest forheterogeneity
Operating timeRCTs416283.1 (40.5, 125.6) Z = 3.83, P < 0.001L > Cχ2 = 91.9, df = 3 P < 0.001, I2 = 96.7%
Overall16161154.3 (38.8, 69.8) Z = 6.88, P < 0.001L > Cχ2 = 620.9, df = 15 P < 0.001, I2 = 97.6%
Blood lossRCTs4162-104.3 (-189.0, -19.5) Z = 2.41, P = 0.02L < Cχ2 = 13.6, df = 3 P = 0.004, I2 = 77.9%
Overall151464-145.6 (-181.4, -109.9) Z = 7.99, P < 0.001L < Cχ2 = 280.4, df = 14 P < 0.001, I2 = 95.0%
No. of Lymph nodes dissectedRCTs4162-4.34 (-6.66, -2.02) Z = 3.66, P < 0.001L < Cχ2 = 1.68, df = 3 P = 0.64, I2 = 0%
Overall141482-4.35 (-5.73, -2.98) Z = 6.20, P < 0.001L < Cχ2 = 34.8, df = 13 P = 0.001, I2= 62.7%