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Table 2 Standardized Morbidity Ratio of the site specific malignancies developed before or simultaneously the diagnosis of CD

From: Delayed diagnosis of coeliac disease increases cancer risk

Cancer Observed Expected SIR(95%CI) p
Cancer for whom CD patients showed a higher risk
Non Hodgkin's lymphoma 20 4.2 4.7 (2.9–7.3) <0.001
Colon 7 6.2 1.1 (0.68–1.56) <0.001
Small bowel 5 0.19 25 (8.5–51.4) <0.001
Hodgkin's lymphoma 4 0.4 10 (2.7–25) 0.01
Stomach 3 1 3 (1.3–4.9) 0.08
Cancer for whom CD patients showed a lower risk
Breast 3 14 0.2 (0.04–0.62) <0.001
Others 13 12 1 (0.9–8.5) 0.06
TOTAL 55 42.1 1.3 (1.0–1.7) 0.001