CT finding | Proven appendicitis (N = 120) | Control group (N = 100) | P-value |
Hyperdense appendix | 5 (4.1%) | 0 (0%) | 0.039 |
Dilated appendix | 90 (75%) | 3 (3%) | 0.0001 |
Thickened wall | 101 (84.2%) | 3 (3%) | 0.0001 |
Fat stranding | 96 (80%) | 3 (3%) | 0.0001 |
Fluid collection | 24 (20%) | 2 (2%) | 0.00004 |
Mesenteric LNs | 20 (16.7%) | 4 (4%) | 0.0027 |
Appendicolith | 30 (25%) | 3 (3%) | 0.000005 |
Wall enhancement | 98 (81.7%) |
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Periappendicular abscess | 8 (6.7%) |
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