Table II.
4DMRI scan time (minutes) and orientation in four primary prospective scans using navigator (Nav) or bellows (Bel) to trigger image acquisition.
| Subject | Sex | Coronal Scan
|
Sagittal Scan
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Scan Time (min)
|
Slice# | Scan Time (min)
|
Slice# | ||||||||
| Nav | 95%# | Bel | 95%# | Nav | 95%# | Bel | 95%# | ||||
| V01 | F | 6.5 | 4.8 | 6.3 | 5.5 | 30 | 12.1 | 7.1 | 6.7 | 5.7 | 52 |
| V02 | M | 6.9 | 6.0 | 5.7 | 5.0 | 30 | 9.7 | 7.5 | 7.0 | 5.2 | 52 |
| V03 | M | 9.4 | 8.2 | 6.1 | 5.4 | 35 | 9.6 | 6.9 | 7.4 | 6.3 | 57 |
| V04 | M | 14.7 | 11.7 | 7.4 | 6.5 | 38 | 14.1 | 12.4 | 8.7 | 7.0 | 50 |
| V05 | F | 8.8* | 5.2 | 4.6 | 4.1 | 28 | 16.1* | 14.1 | 5.4 | 4.7 | 43 |
| V06 | F | 5.3 | 4.7 | 6.3 | 4.9 | 28 | 10.2 | 4.8 | 6.9 | 4.8 | 43 |
| V07 | M | 8.2 | 7.0 | 5.2 | 4.2 | 28 | 9.6 | 8.5 | 7.0 | 4.9 | 47 |
| V08 | F | 6.5 | 5.4 | 5.8 | 5.1 | 28 | 11.5 | 9.5 | 5.5 | 4.7 | 47 |
| V09 | F | 9.7 | 8.2 | 9.7 | 4.9 | 29 | 11.6 | 9.7 | 7.7 | 5.5 | 47 |
| V10 | M | 11.1 | 9.7 | 8.7 | 7.1 | 33 | 13.9 | 9.8 | 8.5 | 6.5 | 53 |
|
| |||||||||||
| Mean | 8.7 | 7.1 | 6.6 | 5.3 | 30.7 | 11.4 | 9.0 | 7.1 | 5.5 | 49.1 | |
| St Dev | 2.9 | 2.3 | 1.6 | 0.9 | 3.5 | 1.8 | 2.7 | 1.1 | 0.8 | 4.5 | |
#
This means 95% of slices for 4DMRI has been acquired
*
These volunteers breathe with a baseline drift, resulting in 3–5 slices at full inhalation phases not being collected due to the breathing irregularity and scanner time limit.