Table 2 Cox proportional hazard models for the cumulative incidence of metachronous neoplasm after endoscopic resection in patients with and without synchronous neoplasms

Age, years

1.02

0.99–1.04

0.984

Male vs. female

1.12

0.82–1.72

0.380

Multiple vs. Single group

2.32

1.54–3.40

< 0.001

2.40

1.62–3.34

< 0.001^a

Open vs. Closed type of atrophic gastritis

1.20

0.86–1.70

0.288

EGC vs. Adenoma

1.01

0.73–1.40

0.952

 Eradicated

1

 Negative

1.15

0.79–1.68

0.466

 Persistent

1.64

1.04–2.58

0.032

1.71

1.09–2.61

0.002^a