Table 5: The tendency of misdiagnosis in the risk factors for misdiagnosis of the depth of cancer invasion.

Overestimation () Underestimation () value Odds ratio 95% CI (%) Macroscopic features            UL(+) type 56 3 <0.001 11.753 3.17–43.57  Non-UL(+) type 27 17       Tumor size            >2 cm 56 11 0.294 1.697 0.62–4.58  ≤2 cm 27 9       EUS type            US-endoscope 55 4 <0.001 7.858 2.39–25.73  US-probe 28 16