Table 3

 Cancer mortality in the two subcohorts of 689 patients with ulcerative colitis and 231 with Crohn’s disease

Ulcerative colitisCrohn’s disease
Cancer siteICD IXNo of deaths observedNo expectedSMR95% CIICD IXNo of deaths observedNo expectedSMR95% CI
Digestive system150–15967.970.750.3 to 1.6150–15921.831.20.1 to 3.9
 Stomach15112.280.440.01 to 2.415110.511.960.02 to 11.0
 Colon15311.330.750.01 to 4.215310.323.120.04 to 17.4
 Rectum15430.694.350.9 to 12.715400.17
 Liver15511.690.590.01 to 3.315500.39
Respiratory system160–16516.060.160.01 to 0.9160–16531.142.630.5 to 7.7
 Lung16215.840.170.01 to 0.916231.092.750.5 to 8.0
Breast17421.271.570.2 to 5.717410.492.040.03 to 11.3
Uterus179, 18210.372.70.03 to 15.0179, 18210.156.660.09 to 37.1
Prostate18510.871.150.02 to 6.418510.128.330.1 to 46.4
Brain19100.5519110.156.660.1 to 37.1
Haematopoietic system200–20821.511.320.1 to 4.8200–20810.382.630.03 to 14.7
 Myeloma20300.2620310.0714.280.2 to 79.5
 Non-Hodgkin’s  lymphoma200, 20210.442.270.03 to 12.6200, 20200.11
 Leukaemia204–20810.71.430.02 to 7.9204–20800.18
All cancer deaths140–2081323.020.560.3 to 0.96140–208105.261.90.9 to 3.5
  • SMR, standardised mortality ratio; CI, confidence interval.