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Table 2 Distribution of extracted data

From: Comparison of efficacy of robotic surgery, laparoscopy, and laparotomy in the treatment of ovarian cancer: a meta-analysis

Author Year Group N EBL, ml* LHS, days* OT, min* PC PN* PR OS rate DFS rate
Ye et al. [26] 2017 R 9 208.9 ± 202.7 11.1 ± 3.5 251.4 ± 58.7 0 27.8 ± 8.9 NA NA NA
L 10 179.0 ± 234.0 15.8 ± 6.6 233.5 ± 75.9 1 27.3 ± 9.4 NA NA NA
O 8 375.0 ± 353.6 13.1 ± 4.6 226.0 ± 69.8 2 25.6 ± 7.0 NA NA NA
Gallotta et al. [23] 2016 R 32 NA NA NA 1 NA NA NA NA
L 64 NA NA NA 4 NA NA NA NA
Bellia et al. [19] 2016 R 16 NA NA 270 ± 72 4 NA 1 16 15
L 23 NA NA 288 ± 88 3 NA 2 22 21
Chen et al. [21] 2015 R 8 68.7 ± 53 4.8 ± 2.7 NA 1 NA NA NA NA
L 12 95.8 ± 45 8.4 ± 8.2 NA 1 NA NA NA NA
O 15 256.4 ± 258.5 16.2 ± 16.8 NA 6 NA NA NA NA
Magrina et al. [24] 2011 R 25 164 ± 113 4 ± 3 315 ± 102 6 11.7 ± 6.9 NA NA NA
L 27 267 ± 300 3 ± 2 254 ± 83 1 13.9 ± 4.9 NA NA NA
O 119 1307 ± 1060 9 ± 7 261 ± 77 40 13.6 ± 7.1 NA NA NA
Feuer et al. [22] 2013 R 63 94.9 ± 72.9 2.3 ± 3.0 138.6 ± 38.7 10 13.3 ± 7.9 15 60 NA
O 26 385.4 ± 219.4 6.2 ± 4.9 95.2 ± 31.3 6 10.7 ± 6.8 5 19 NA
Magrina et al. [25] 2013 R 10 206.3 ± 249.9 3.4 ± 2.37 220.6 ± 113.6 2 NA 1 NA NA
L 9 127.8 ± 153.8 4.1 ± 5.82 222.3 ± 100.1 3 NA 5 NA NA
O 33 936.7 ± 824.8 9.9 ± 8.11 177.0 ± 95.8 14 NA 10 NA NA
Chen et al. [20] 2016 R 44 96.9 ± 83.2 3.5 ± 1.9 176.8 ± 54.3 0 24.2 ± 13.3 NA 44 43
L 21 326.2 ± 368.7 5.5 ± 3.0 232.3 ± 85.4 0 21.4 ± 7.1 NA 21 20
O 73 848.6 ± 666.9 9.7 ± 6.4 287.2 ± 144.0 2 25.9 ± 13.2 NA 70 65
  1. R robot, L laparoscopic, O laparotomy, EBL estimated blood loss, LHS length of hospital stay, OT operating time, PC postoperative complication, PN pelvic nodes, PR postoperative recurrence, OS overall survival, DFS disease-free survival, NA data are not available
  2. *Mean ± SD