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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Inflamm Bowel Dis. 2010 Nov 4;17(6):1423–1427. doi: 10.1002/ibd.21484

Table 1.

Risks of NMSC in Patients with Inflammatory Bowel Disease

Study Cohort Location IBD Population (n) Skin Cancer Outcome Risk Estimate vs. General Population 95% Confidence Interval
Ekbom et al, 1991 Sweden IBD (4776) SCC SIR 2.2 1.1–3.9
Mellemkjaer et al, 1995 Denmark UC (5546) NMSC RR 1.4 1.0–1.9
Long et al, 2010 US IBD (53377) NMSC IRR 1.6 1.5–1.8