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Table 6 Surgical outcomes of LG and OG

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

Reference Blood loss (ml) Operating time (min) Harvested lymph node
LAG OG LAG OG LAG OG
2010–2015
 Huang et al. [14] 131.91a 342.3 266.05a 223.78 25.81 27.47
 Cai et al. [15] 293.67 344.47 270.51 187.66 22.98 22.87
 Scatizzi et al. [16] NA NA 240a 180 31 37
 Zhao et al. [18] 128a 301 211 204 33.2 32.8
 Chen et al. [19] 82.7a 201.7 207.2 213 30.6 30.3
 Chun et al. [20] NA NA 207.7a 159.9 39.1 39.3
 Hamabe et al. [21] 158.3a 356.3 283.1a 225.9 63.7a 44
 Kim et al. [22] NA NA 228.3a 183.6 38.3 41.8
 Bo et al. [24] 196.9a 358.2 292.8a 242.1 35.2 37.4
 Gordon et al. [25] 107a 495 291a 235 35.92 36.59
 Lin et al. [26] 78.4a 200.4 212.7 226.4 30.2 28
 Shinohara et al. [27] 154.3a 388.7 369.7a 263.6 45.3 43.8
 Qiu et al. [29] 120a 227.3 259.5a 236.09 30.2 28.1
 Cui et al. [30] 99a 125 258a 194 29.3 30.1
 Wu et al. [31] 169.46a 193. 86 228.43a 207.59 19.84a 18.04
2016–2019
 Hao et al. [33] 154.5a 311.2 257.8a 231 30.4 28.1
 Hu et al. [34] 105.5a 117.3 217.3a 186 36.1 36.9
 Li1 et al. [35] 131.9 129.5 297.4a 198.1 33.7 33.1
 Li2 et al. [35] 94 97.9 214.2a 200.3 24.7 24.6
 Lu et al. [37] 250a 330 240a 190 18 19
 Xu1 et al. [39] 322 274 326a 203 24 25.6
 Zhang et al. [40] 143a 223 189 201 37 35
 Inokuchi et al. [41] 115a 420 316a 242 39 38
 Park et al. [43] NA NA 257.4a 183 37 39.7
 Shi et al. [44] 129a 215.8 238.1a 207.3 31.59 32.18
 Xu2 et al. [49] 273.7a 233.6 283.8a 191.5 21.6 22.4
 Chan et al. [45] 150a 275 321a 365 39.5 37.5
 Lee et al. [47] 138.3a 222 225.7a 162.3 46.6 46.9
 Wang et al. [48] 91.4a 117.5 242.5a 209.9 29.5 31.4
  1. LG laparoscopy gastrectomy, OG open gastrectomy
  2. aP < 0.05