Table 3 Comparison of MRE signs between the groups
Group A (n = 47) | Group B (n = 7) | Group C (n = 32) | Comparison of A, B, and C groups | Comparison between group A + B and group C | Comparison between group B and group C | ||||
|---|---|---|---|---|---|---|---|---|---|
F/Z | p value | t/Z | p value | t/Z | p value | ||||
T2WI signal (n) | 5.519 | 0.219 | 1.401 | 0.508 | 1.099 | 0.661 | |||
Normal | 16 | 1 | 9 | ||||||
Mild increase | 26 | 3 | 15 | ||||||
Moderate increase | 5 | 3 | 8 | ||||||
Degree of enhanced T1WI (n) | 7.166 | 0.104 | 6.419 | 0.036 | 0.945 | 0.704 | |||
Mild enhancement | 27 | 3 | 9 | ||||||
Moderate enhancement | 17 | 4 | 19 | ||||||
Severe enhancement | 3 | 0 | 4 | ||||||
Mode of enhanced T1WI (n) | 4.245 | 0.329 | 5.355 | 0.059 | 2.255 | 0.413 | |||
Homogeneous enhancement | 27 | 3 | 9 | ||||||
Mucosal enhancement | 17 | 4 | 19 | ||||||
Stratified enhancement | 3 | 0 | 4 | ||||||
Length of the diseased bowel (cm) ± SD | 8.87 ± 7.18 | 12.60 ± 9.64 | 14.78 ± 19.75 | 1.866 | 0.161 | 1.812 | 0.074 | 0.282 | 0.780 |
Maximal wall thickness (mm) ± SD | 6.22 ± 2.17 | 6.86 ± 2.87 | 7.70 ± 2.73 | 3.486 | 0.035 | 2.570 | 0.012 | 0.735 | 0.467 |
Upstream intestinal diameter (mm) ± SD | 18.64 ± 7.29 | 19.29 ± 8.12 | 23.38 ± 7.34 | 4.384 | 0.015 | 2.969 | 0.004 | 1.446 | 0.157 |