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Table 1 Epidemiology of gastrointestinal neuroendocrine tumors in Japan (per 1000,000 population)

From: The clinicopathological significance of angiogenesis in hindgut neuroendocrine tumors obtained via an endoscopic procedure

2010 (JAPAN)

Overall prevalence of GI-NETs

6.42 (95 % CI 4.50–8.34)

Foregut

1.67 (95 % CI 0.94–2.40)

Midgut

0.23 (95 % CI 0.18–0.28)

Hindgut

4.52 (95 % CI 3.17–5.87)

Incidence of GI-NETs

3.51 (95 % CI 2.50–4.53)

Foregut

1.20 (95 % CI 0.48–1.91)

Midgut

0.15 (95 % CI 0.12–0.18)

Hindgut

2.12 (95 % CI 1.56–2.67)

  1. Legend: The foregut included the esophagus, stomach and duodenum; the midgut, the jejunum, ileum and vermiform appendix; and the hindgut, the large intestine and colon
  2. GI-NET, gastrointestinal-neuroendocrine tumor; 95 % CI, 95 % confidence interval