Table 1 Details of the articles included in the meta-analysis
References | Approach | Age | Sex (m/f) | BMI | Tumor size | Stage | Anastomosis | Nervea | Antral cuff (cm)b | Preservation of LN station 5c | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
I | II | III | ||||||||||
Park et al. [4] | CDG 17 | 56.2 ± 9.4 | 13/4 | NA | NA | 17 | 0 | 0 | BI |  |  |  |
|  | PPG 22 | 57.3 ± 9.5 | 18/4 | NA | NA | 22 | 0 | 0 | Gastro-gastro | Hepatic, pyloric | 3 | No |
Zhu et al. [5] | CDG 61 | NA | 34/27 | NA | NA | 56 | 4 | 1 | BII 24 + RY 37 | Â | Â | Â |
| Â | PPG 145 | NA | 67/78 | NA | NA | 138 | 4 | 3 | Gastro-gastro | NA | 3 | Yes |
Imada et al. [6] | CDG 25 | NA | NA | NA | NA | NA | NA | NA | NA | Â | Â | Â |
| Â | PPG 20 | NA | NA | NA | NA | NA | NA | NA | NA | Hepatic, pyloric | 1.5 | Yes |
Xia et al. [7] | LADG 97 | 57.5 ± 12.1 | 63/34 | 22.7 ± 4.8 | 1.8 ± 0.7 | 97 | 0 | 0 | BI |  |  |  |
|  | LAPPG 70 | 56.8 ± 10.9 | 46/24 | 22.3 ± 2.3 | 1.8 ± 0.7 | 70 | 0 | 0 | Gastro-gastro | Hepatic, pyloric | 3 | Yes |
Shibata et al. [8] | CDG 38 | 60 ± 2 | 25/13 | NA | NA | 36 | 0 | 0 | BI |  |  |  |
|  | PPG 36 | 64 ± 1 | 23/13 | NA | NA | 38 | 0 | 0 | Gastro-gastro | NA | 1.5 | No |
Suh et al. [9] | LADG 176 | 59.1 ± 12.0 | 107/69 | 24.0 ± 3.1 | 2.3 ± 1.2 | 166 | 10 | 0 | BI 162 + BII13 + RY 1 |  |  |  |
|  | LAPPG 116 | 54.1 ± 12.3 | 55/61 | 23.3 ± 3.0 | 2.6 ± 1.2 | 108 | 7 | 1 | Gastro-gastro | NA | NA | NA |
Isozaki et al. [15] | CDG 14 | 52.7 | 11/3 | NA | NA | NA | NA | NA | NA | Â | Â | Â |
| Â | PPG 15 | 57.3 | 10/5 | NA | NA | NA | NA | NA | Gastro-gastro | Hepatic, pyloric | 1.5 | Yes |
Zhang et al. [16] | CDG 28 | 58.0 ± 17.1 | 21/7 | NA | NA | 28 | 0 | 0 | BI |  |  |  |
|  | PPG 15 | 58.9 ± 9.4 | 11/4 | NA | NA | 15 | 0 | 0 | Gastro-gastro | Hepatic, pyloric, celiac | 1.5 | No |
Hotta et al. [17] | CDG 45 | NA | NA | NA | NA | 45 | 0 | 0 | BI | Â | Â | Â |
| Â | PPG 19 | NA | NA | NA | NA | 19 | 0 | 0 | Gastro-gastro | Hepatic, pyloric | 1.5 | Yes |
Tomita et al. [18] | CDG 22 | NA | NA | NA | NA | NA | NA | NA | NA | Â | Â | Â |
| Â | PPG 10 | NA | NA | NA | NA | NA | NA | NA | NA | Hepatic, pyloric | 1.5 | No |
Urushihara et al. [19] | LADG 26 | 68 | 15/11 | NA | NA | 26 | 0 | 0 | NA | Â | Â | Â |
| Â | LAPPG 26 | 68 | 14/12 | NA | NA | 25 | 1 | 0 | Gastro-gastro | Hepatic, pyloric | 3 | NA |
Nunobe et al. [20] | CDG 203 | NA | 127/76 | NA | NA | NA | NA | NA | BI | Â | Â | Â |
|  | PPG 194 | NA | 121/73 | NA | NA | NA | NA | NA | Gastro-gastro | Hepatic, pyloric, celiac | 2.5–6.0 | No |
Ikeguchi et al. [21] | CDG 87 | 64.2 | 56/31 | NA | 3.1 | 79 | 6 | 2 | BI | Â | Â | Â |
| Â | PPG 46 | 62.8 | 24/22 | NA | 2.6 | 46 | 0 | 0 | Gastro-gastro | Hepatic, pyloric | 3 | Yes |
Lee et al. [22] | CDG 305 | NA | NA | NA | NA | NA | NA | NA | NA | Â | Â | Â |
| Â | PPG 148 | NA | NA | NA | NA | NA | NA | NA | NA | NA | 4 | NA |
Tomikawa et al. [23] | LADG 12 | 68.7 ± 4.8 | 6/6 | BW | 2.6 | NA | NA | NA | Gastroduodenal |  |  |  |
|  | LAPPG 9 | 69.2 ± 6.9 | 6/3 | NA | 3.9 | NA | NA | NA | Gastro-gastro | Hepatic, pyloric, celiac | 3 | Yes |
Fujita et al. [24] | CDG 909 | 61.6 ± 9.1 | 594/311 | 22.7 ± 3.0 | NA | NA | NA | NA | BI |  |  |  |
|  | PPG 313 | 61.5 ± 8.7 | 183/126 | 22.7 ± 3.0 | NA | NA | NA | NA | Gastro-gastro | NA | NA | NA |
Isozaki et al. [25] | CDG 21 | 61.0 ± 10.0 | 17/8 | NA | 3.2 ± 1.6 | 25 | 0 | 0 | BI 21 + RY 4 |  |  |  |
|  | PPG 15 | 61.2 ± 12.4 | 6/9 | NA | 2.5 ± 9.9 | 15 | 0 | 0 | Gastro-gastro | Hepatic, pyloric, celiac | 4 | NA |
Aizawa et al. [26] | CDG 502 | 61.7 ± 11.4 | 309/193 | 22.6 ± 3.08 | 27.3 ± 12.5 | 502 | 0 | 0 | BI 334 + BII 2 + RY 166 |  |  |  |
|  | PPG 502 | 60.7 ± 9.6 | 301/201 | 22.7 ± 3.14 | 27.4 ± 12.7 | 502 | 0 | 0 | Gastro-gastro | NA | NA | NA |
Hosoda et al. [27] | LADG 32 | 63.2 ± 8.8 | 13/19 | 22.5 ± 3.2 | 2.8 ± 1.7 | 31 | 0 | 1 | NA |  |  |  |
|  | LAPPG 32 | 64.0 ± 9.5 | 13/19 | 22.7 ± 2.6 | 2.9 ± 1.5 | 30 | 2 | 0 | NA | Hepatic, pyloric, celiac | 4 | Yes |
Eom et al. [28] | LADG 195 | 56.5 ± 11.8 | 114/81 | 24.0 ± 3.1 | 2.8 ± 1.5 | 195 | 0 | 0 | BII |  |  |  |
|  | LAPPG101 | 58.3 ± 12.0 | 54/47 | 24.1 ± 3.1 | 2.5 ± 1.4 | 101 | 0 | 0 | Gastro-gastro | Hepatic, pyloric | 3–5 | Yes |
Tsujiura et al. [12] | LADG 101 | 59.4 ± 11.1 | 72/29 | 27.0 ± 2.3 | NA | NA | NA | NA | BI 43 + RY 58 |  |  |  |
|  | LPPG 101 | 59.5 ± 9.3 | 71/30 | 27.1 ± 2.3 | NA | NA | NA | NA | Gastro-gastro | Hepatic, pyloric | NA | Yes |