Table 3. Subset analysis according to tumor morphology.
| MC | EUS | ≥pT1-SMD | P | |
|---|---|---|---|---|
| Elevated | Tis/ T1-SMS | Tis/ T1-SMS | 6/27 (22.2%) | |
| Tis/ T1-SMS | ≥T1-SMD | 2/5 (40.0%) | ||
| ≥T1-SMD | Tis/ T1-SMS | 4/7 (57.1%) | ||
| ≥T1-SMD | ≥T1-SMD | 13/17 (76.5%) | ||
| Accuracy | 41/56 (73.2%) | 39/56 (69.6%) | 0.175 #1 | |
| Sensitivity | 17/25 (68.0%) | 15/25 (60.0%) | 0.556 #1 | |
| Specificity | 24/31 (77.4%) | 24/31 (77.4%) | 1.000 #1 | |
| Depressed | Tis/ T1-SMS | Tis/ T1-SMS | 0 | |
| Tis/ T1-SMS | ≥T1-SMD | 0 | ||
| ≥T1-SMD | Tis/ T1-SMS | 0/2 (0%) | ||
| ≥T1-SMD | ≥T1-SMD | 6/8 (75.0%) | ||
| Accuracy | 6/10 (60.0%) | 8/10 (80.0%) | 0.628 #2 | |
| Sensitivity | 6/6 (100%) | 6/6 (100%) | No available | |
| Specificity | 0/4 (0%) | 2/4 (50.0%) | 0.429 #2 |
#1 χ2 test
#2 Fisher’s exact probability test. Tis/T1-SMS, mucosal to submucosal cancer with invasion depth <1000 μm; T1-SMD, submucosal cancer with submucosal invasion depth ≥1000 μm.