S. no | Study | Year | Country | Abstract-0 full paper-1 | Total no of procedures | Total no of patients | Men | Women | Mean age (years) | Forceps Biopsy | Additional yield with WATS | WATS+FB BE | FB dysplasia | Additional yield with WATS | WATS+FB dysplasia |
1 | Anandasabapathy et al16 | 2011 | USA | 1 | 151 | 151 | 124 | 27 | 65 | 28 | 69 | 97 | 38 | 16 | 54 |
2 | Bittner et al32 | 2017 | USA | 0 | 120 | 74 | 65 | 9 | 66.3 | 20 | 15 | 35 | 14 | 5 | 19 |
3 | Cotton et al33 | 2019 | USA | 0 | 454 | 454 | 163 | 291 | NA | 244 | 87 | 331 | NA | NA | NA |
4 | Gross et al17 | 2017 | USA | 1 | 4203 | 4203 | 1807 | 2396 | 59 | 594 | 493 | 799 | 26 | 23 | 33 |
5 | Iorio et al34 | 2015 | USA | 0 | 208 | 110 | 58 | 52 | 63 | 37 | 24 | 61 | 7 | 4 | 11 |
6 | Johanson et al18 | 2010 | USA | 1 | 1183 | 1183 | 674 | 509 | 58 | 344 | 139 | 483 | 16 | 14 | 30 |
7 | Kataria et al35 | 2013 | USA | 0 | 40 | 40 | 27 | 13 | 62.3 | 11 | 4 | 15 | NA | NA | NA |
8 | Kim et al36 | 2014 | USA | 0 | 113 | 113 | NA | NA | NA | 56 | 8 | 64 | 2 | 0 | 2 |
9 | Smith et al19 | 2018 | USA | 1 | 12 899 | 12 899 | 5031 | 7868 | 56 | 1684 | 2570 | 4295 | 88 | 213 | 301 |
10 | Smith et al30 | 2019 | USA | 0 | 913 | 802 | 289 | 513 | 67 | 228 | 156 | 384 | 15 | 38 | 53 |
11 | Srinivasan et al37 | 2019 | USA | 0 | 108 | 108 | NA | NA | NA | 64 | 15 | 79 | NA | NA | NA |
12 | Vennalaganti et al31 | 2018 | USA | 1 | 160 | 160 | 122 | 38 | 63.4 | NA | NA | NA | 7 | 23 | 30 |
BE, Barrett’s oesophagus; FB, forceps biopsy; NA, not applicable; WATS, wide-area transepithelial sampling.