Table 2 Proportion of gastric and duodenal ulcers diagnosed per decade since 1977
From: Endoscopic diagnosis of gastric and oesophageal cancer in Lusaka, Zambia: a retrospective analysis
Decade | Gastric ulcers | Duodenal ulcers |
|---|---|---|
1977–1986 | 111/ 1658 (7%) | 190/ 1668 (11%) |
1987–1996 | 113/ 2548 (4%) | 287/ 2592 (11%) |
1996–2006 | 254/ 3360 (8%) | 363/ 3365 (10%) |
2007–2016 | 1088/ 12,185 (9%) | 958/ 12,618 (8%) |
2017–2021 | 529/ 5292 (10%) | 478/ 5292 (9%) |
p-value determined using Chi2 | < 0.001 | < 0.001 |