Table 2.
Characteristics of included studies.
| Study | Country | Type of study | Number of patients | Patients with AOB (%) |
|---|---|---|---|---|
| Farghadani17 | Iran | Radiological (CT) | 607 | 0.33 |
| McNulty6 | Ireland | Radiological (angiography) | 300 | 1.00 |
| Sureka18 | New Delhi | Radiological (CT) | 600 | 1.33 |
| VanPetersen19 | Netherlands | Radiological (angiography) | 228 | 3.07 |
| Ferrari20 | Italy | Radiological (CT) | 60 | 3.33 |
| Saad21 | USA | Radiological (angiography) | 120 | 3.30 |
| Grabbe15 | Germany | Radiological (angiography) | 340 | 4.12 |
| Ognjanović1 | Serbia | Radiological (CT) | 150 | 2.67 |
| Bertelli22 | Italy | Radiological (angiography) | 1000 | 0.30 |
| Wickie23 | Austria | Cadaveric | 200 | 1.00 |
| Wickie23 | Austria | Radiological (angiography) | 80 | 1.25 |
CT = computed tomography, AOB = arc of Buhler.