Table 2. Association between appendiceal diameter and periappendiceal fat echo sign.
PFES: periappendiceal fat echo sign.
| PFES | Appendix diameter | p-value |
| Grade 1 | 0.82 cm | >0.05 |
| Grade 2 | 0.90 cm | >0.05 |
| Grade 3 | 1.1 cm | 0.02 |
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