Table 1 Comparison of various MR imaging parameters, average number of sequences in each group and imaging protocols.
From: The importance of rectal cancer MRI protocols on iInterpretation accuracy
Compliant protocol (D) | Noncompliant protocol (N) | P-value | |
|---|---|---|---|
Parameters on T2-WI* | |||
Field of view | |||
Mean ± SD (mm) | 201.7 ± 77.0 | 263.5 ± 129.8 | 0.03 |
Slice thickness | |||
Mean ± SD (mm) | 3.8 ± 1.4 | 5.3 ± 1.9 | < 0.01 |
Gap | |||
Mean ± SD (mm) | 0.2 ± 0.9 | 2.0 ± 2.4 | < 0.01 |
Matrix size | |||
Mean (mm × mm) | 0.5 × 0.5 | 0.9 × 1.1 | 0.02 |
Voxel size | |||
Mean ± SD (mm3) | 1.3 ± 1.5 | 6.7 ± 6.0 | < 0.01 |
No. of sequence | |||
Mean ± SD (mm) | 5.2 ± 0.7 | 9.2 ± 3.2 | < 0.01 |