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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
  1. *T2 weighted image;