| First Author, year, reference number | Number of patients with AAD | Number of patients with suspected but not proved AAD | Sensitivity (Negative predictive value) | Specificity (Positive predictive value) |
| Rafla and Bishay (our study) | 20 | 25 | 100% | 64% |
| Suzuki et al. (2009) [10] | 24 | 35 | 100% | 68.6%. |
| Weber et al. (2003) [12] | 14 | 35 | 100% | 68.6%. |
| Perez et al. (2004) [2] | 7 | 133 | 100% | Not reported |
| Ohlmann et al. (2006) [14] | 94 | 94 | 99 | 43 |