Table 2.
Ultrasonographic finding | All patients | Patients with decision change after IUS (n = 47) | Patients without decision change after IUS (n = 70) | P-value |
---|---|---|---|---|
Bowel-wall segments with thickening ≥3 mm | ||||
Terminal ileum | 83 (70.9) | 36 (76.6) | 47 (67.1) | <0.001 |
Right colon | 54 (46.2) | 20 (42.6) | 34 (48.6) | ns |
Transverse colon | 33 (28.2) | 7 (14.9) | 26 (37.1) | ns |
Left-colon sigmoid | 35 (29.9) | 10 (21.3) | 25 (35.7) | ns |
Rectum | 7 (6) | 0 | 7 (10) | <0.001 |
Any bowel segment with thickening ≥3 mm | 98 (83.8) | 40 (85.1) | 58 (82.9) | <0.001 |
Involvement pattern | <0.001 | |||
Transmural | 35 (29.9) | 19 (40.4) | 16 (22.9) | |
Mixed (stratified and transmural) | 38 (32.5) | 14 (29.8) | 24 (34.3) | |
MFP | 86 (73.5) | 37 (78.7) | 49 (70) | <0.001 |
Ulcer presence | 66 (56.4) | 29 (61.7) | 37 (52.9) | 0.014 |
Strictures | 32 (27.4) | 22 (46.8) | 10 (14.3) | 0.017 |
Prestenotic dilatation | 20 (17.1) | 13 (27.7) | 7 (10) | <0.001 |
Rigidity | 37 (31.6) | 23 (48.9) | 14 (20) | ns |
Lymphadenopathy | 38 (32.5) | 18 (38.3) | 20 (28.6) | ns |
Fistula | 22 (18.8) | 11 (23.4) | 11 (15.7) | <0.001 |
Phlegmon/abscess | 16 (13.7) | 9 (19.1) | 7 (10) | <0.001 |
Fluid | 19 (16.2) | 12 (25.5) | 7 (10) | <0.001 |
Power Doppler score ≥2 | 71 (60.7) | 30 (63.8) | 41 (58.6) | 0.002 |
Any sign of disease activity on ultrasound | 99 (84.6) | 41 (87.2) | 58 (82.9) | <0.001 |
Data are presented as n (%).
For comparisons between patients with or without decision changes, the McNemar test was used except for “involvement-pattern” comparisons, for which the marginal homogeneity test was preferred.
MFP, mesenteric fibrofatty proliferation; ns, non-significant.