Table 2.
Investigations during hospital stay and/or follow-up, n (%)
| Prospective group (n = 57) | Retrospective group (n = 585 evaluable) | P value | |
| All patients with ultrasonography | 51 (89.5) | 420 (71.8) | 0.007 |
| All patients with CT | 45 (78.9) | 311 (53.1) | |
| All patients with MRI | 32 (56.1) | 196 (33.5) | 0.001 |
| US | 5 (8.8) | 142 (24.3) | |
| US + CT | 16 (28.1) | 143 (24.4) | |
| US + MRI | 7 (12.3) | 86 (14.7) | |
| US + CT+ MRI | 23 (40.3) | 49 (8.4) | |
| CT alone | 4 (7.0) | 88 (15.4) | |
| CT + MRI | 2 (3.5) | 31 (5.3) | |
| MRI alone | 0 | 30 (5.1) | |
| No imaging | 0 | 16 (2.7) |
CT: Computed tomography; MRI: Magnetic resonance imaging; US: Ultrasonography.