Table 3.
Features emphasized by the CNN-based diagnosis algorithm causing misinterpretation of the data as either false positives or false negatives.
| Emphasized features | n | ||
|---|---|---|---|
| False Positives | Ileum | Small mesenteric fat | 11 |
| Ileal wall thickening | 3 | ||
| Ileal dilatation by fluid or air | 8 | ||
| Normal | 3 | ||
| Secondary changes by inflammation | Diverticulitis | 8 | |
| Duodenitis | 1 | ||
| Acute cholecystitis | 1 | ||
| Acute pyelonephritis | 1 | ||
| Pelvic inflammatory disease | 1 | ||
| Ischemic colitis | 1 | ||
| False Negatives | Ileum | Early acute appendicitis | 15 |
| Appendiceal perforation with abscess | 1 | ||
| Small mesenteric fat | 4 | ||