Table 5.
Comparison of imaging modalities and overall adequacy of image per observer (McNemar's test). p < 0.05 was used to determine statistical significance.
| Standard plane | 3D operator-selected | ||||
|---|---|---|---|---|---|
| TV | 2D manually-acquired |
Observer 1 |
Observer 2 |
||
| Fail | Pass | Fail | Pass | ||
| Pass | 11 | 18 | 8 | 21 | |
| McNemar's | p = 0.001 | p = 0.008 | |||
|
TC |
Pass | 8 | 11 | 11 | 8 |
|
McNemar's |
p = 0.008 |
p = 0.001 |
|||
| Standard plane |
3D automatically-extracted |
||||
| TV | 3D operator-selected |
Observer 1 |
Observer 2 |
||
| Fail | Pass | Fail | Pass | ||
| Fail | 5 | 6 | 3 | 5 | |
| Pass | 4 | 14 | 7 | 14 | |
| McNemar's | p = 0.05 | p = 0.774 | |||
|
TC |
Fail | 5 | 3 | 9 | 2 |
| Pass | 7 | 4 | 4 | 4 | |
|
McNemar's |
p = 0.344 |
p = 0.688 |
|||
| Standard plane |
3D automatically-extracted |
||||
| TV | 2D manually-acquired |
Observer 1 |
Observer 2 |
||
| Fail | Pass | Fail | Pass | ||
| Pass | 9 | 20 | 10 | 19 | |
| McNemar's | p = 0.004 | p = 0.02 | |||
| TC | Pass | 12 | 7 | 13 | 6 |
| McNemar's | p = 0.000 | p = 0.000 | |||