| Author (Reference) | n | Age (mean) | Diagnostic Yield CE (%) | Diagnostic Yield DBE (%) | Concordance (%) |
| Kaffes [21] | 60 | 62 | 83 | 75 | 65 |
| Kameda [22] | 32 | 62 | 72 | 66 | 50 |
| Matsumoto [23] | 13 | 48 | 38 | 46 | 92 |
| Fujimori [24] | 45 | 60 | 40 | 50 | 89 |
| Ohmiya [25] | 74 | - | 50 | 53 | 73 |
| Nakamura [26] | 32 | 59 | 59 | 43 | 29 |