Variable | 2D US | 5D US | t | DF | p-value |
Number of satisfactory views | 8.7 ± 0.8 | 8.9 ± 0.4 | 1.459 | 44 | 0.152 |
Examination time (s) | 264 ± 67 | 204 ± 40 | 4.968 | 44 | <0.0001 |