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Table 3 Metanalysis of studies comparing nodal harvest in D1-plus vs D2 nodal dissections

From: D1-plus vs D2 nodal dissection in gastric cancer: a propensity score matched comparison and review of published literature

Study

D1-plus

Number of patients

D2

Number of patients

Total Number of patients

SMD

95% CI

Lorenzon L

93

93

186

−0.301

−0.592

−0.010

Galizia D 2015

36

37

73

−1.193

−1.702

−0.684

Zhang CD 2018

114

276

390

−1.130

−1.363

−0.897

Lam S 2018

54

150

204

−0.518

−0.835

− 0.201

Total (fixed effects)

297

556

853

−0.775

− 0.925

− 0.625

Total (random effects)

297

556

853

−0.772

−1.222

−0.322

  1. Test for heterogeneity Q = 24.4933. DF = 3. P < 0.0001