| Author | Number of operations linear | BMI | Leakage rate | Number of operationscircular | BMI | Leakage rate | ||
| [n] | kg/m2 | [%] | [n] | [kg/m2] | [%] | |||
| Abdel-Galil [18] | 30 | 45 ± 1.7 | 3.33 | 30 | 45 ± 1.8 | 6.66 | ||
| Bohdjalian [17] | 75 | 47 ± 6.2 | 0 | 75 | 48 ± 6 | 1.33 | ||
| Gonzalez [19] | 8 | 0 | 13 | 0 | ||||
| Leyba [20] | 40 | 44 ± 1.9 | 0 | 40 | 45 ± 1.9 | 0 | ||
| Szepaniak [21] | 100 | 46 ± 1.3 | 1.00 | 124 | 46 ± 1.2 | 0.80 | ||
| Shope [22] | 29 | 47 ± 5.7 | 6.89 | 32 | 49 ± 5.2 | 0 | ||
| Bendewald [4] | 514 | 47.8 | 0.97 | 140 | 52.5 | 0 | ||
| Finks [9] | 2109 | 47.3 ± 7.8 | 0.33 | 5944 | 48.1 ± 7.9 | 0.57 | ||
| Giordano [7] | 41 | 47.7 ± 6.9 | 4.87 | 30 | 45.6 ± 6.4 | 6.66 | ||
| Total | 2916 | 16/2916 | 0.55 | 6428 | 40/6428 | 0.63 | ||
| GBSR | 2734 | 47.6 ± 6.7 | 44/2734 | 1.61 | 1587 | 49.8 ± 7.4 | 19/1587 | 1.20 |