Research Article

Risk Factors and Timing of Additional Surgery after Noncurative ESD for Early Gastric Cancer

Table 1

Characteristics of patients with noncurative ESD.

Residual cancerLN metastasis
Yes (n = 16)No (n = 14)Yes (n = 5)No (n = 25)

Gender
 Male13120.4324210.124
 Female3214

Age (years)
 ≥65270.025180.592
 <65147417

BMI (kg/m2)23.1 ± 4.222.7 ± 3.60.03224.3 ± 4.122.3 ± 3.90.104

ESD indication
 Absolute640.521280.221
 Enlarged1010317

Lauren type
 Intestinal2110.0011120.191
 Diffuse143413

Ulcer
 Yes540.523270.592
 No912318

Lesion diameter
 ≤3 cm12100.8254180.712
 >3 cm4417

Pathological type
 Differentiated760.9641120.024
 Undifferentiated98413

Depth of invasion
 Mucosa290.0030110.062
 Submucosa (or deeper)145514

Vascular invasion
 Positive430.818430.003
 Negative1211122

Vertical margin
 Positive1200.001460.015
 Negative414119

Horizontal margin
 Positive900.001290.864
 Negative714316

HER-2 expression
 Positive1110.001480.045
 Negative513117