Table 6 Multivariate logistic regression analysis of accuracy in patients with ultrasonic stage T1b

Age

 < 60

1 (reference)

 > 60

0.72

0.36–1.46

0.364

Sex

 Male

1 (reference)

 Female

2.05

0.88–4.79

0.097

Histology

 Differentiated

1 (reference)

 Undifferentiated

3.04

0.84–10.99

0.090

Ulcer

 Yes

1 (reference)

 No

4.39

1.39–13.84

0.012^*

Lauren classification

 Intestinal

1 (reference)

 Diffused

1.07

0.26–4.39

0.927

 Mixed

1.06

0.26–4.36

0.937

Tumor location

 Upper

1 (reference)

 Middle

1.37

0.43–4.34

0.597

 Lower

3.54

1.53–8.20

0.003^*

 Diameter

0.98

0.74–1.30

0.885

Treatment

 ESD

1 (reference)

 Surgery

0.26

0.05–1.27

0.095