Table 1

 Basic and clinicopathological data for the patients entered in the study

All patientsPPI0–4041–5051–6061–7071–80>80
The data are given for all the patients (439; mean age 55 (range 17–88)), patients who had been taking proton pump inhibitors for ⩾6 months (PPI) (65; mean age 62 (range 27–84)), and six age groups: 0–40 years (103); 41–50 years (68); 51–60 years (90); 61–72 years (92); 71–80 years (66); +80 years (20). The location of the listed neoplastic lesions is also indicated: NiN, non-invasive neoplasia; A, gastric antrum, both anterior and posterior walls; IA, incisura angularis; B, gastric body, both anterior and posterior walls.
Sex
    Male2112955334941267
    Female22836483541514013
H pylori status
    Hp+ve18720382742452510
    Hp−ve/naïve1922959363231259
    Hp-eradicated6016651616161
Peptic ulcer
    Gastric (scar)5 (3)4 (3)001 (0)2 (1)2 (2)0
    Duodenal (scar)29 (7)2 (1)7 (0)4 (2)7 (3)2 (1)5 (0)4 (1)
Neoplasia
    Indefinite NiN20001 (A, A)100
    Low-grade NiN310002 (A, IA)1 (B)0
    High-grade NiN1000001 (IA)0
    Invasive cancer110001 (A-IA)00