General and cause specific mortality in the follow up of a population based cohort of 689 ulcerative colitis patients (10 489 person years) by major groups of diagnostic categories (Florence IBD study 1978–2001)
| Cause of death | Deaths | ||||
|---|---|---|---|---|---|
| ICD IX | Observed (n) | Expected (n) | SMR | 95% CI | |
| SMR, standardised mortality ratio; 95% CI, 95% confidence interval. | |||||
| †This category includes six deaths from cancer of the following sites: bone, endometrium, prostate, bladder, adrenal gland, and one unknown primary site. | |||||
| ‡This category includes six deaths from other causes (infectious disease, AIDS, pulmonary oedema, renal failure, arthritis, and one death abroad for which it was not possible to retrieve the death certificate). | |||||
| *p<0.05. | |||||
| Neoplasms | 140–208 | 26 | 36.50 | 0.71 | (0.47–1.04) |
| Digestive system | 150–159 | 11 | 12.74 | 0.86 | (0.43–1.55) |
| Stomach | 151 | 2 | 3.31 | 0.60 | (0.07–2.18) |
| Colon-rectum | 153–154 | 4 | 3.16 | 1.26 | (0.34–3.24) |
| Liver | 155 | 2 | 1.90 | 1.05 | (0.12–3.80) |
| Respiratory system | 160–165 | 3 | 10.43 | 0.29* | (0.06–0.84) |
| Lung | 162 | 3 | 9.25 | 0.32* | (0.07–0.95) |
| Breast | 174 | 2 | 1.98 | 1.01 | (0.11–3.65) |
| Haematopoietic system | 200–208 | 4 | 2.54 | 1.57 | (0.42–4.03) |
| Non-Hodgkin’s lymphoma | 200–202 | 2 | 0.83 | 2.41 | (0.27–8.70) |
| Other neoplasms† | 6 | 8.81 | 0.68 | (0.25–1.48) | |
| Diabetes | 250 | 2 | 3.58 | 0.56 | (0.06–2.02) |
| Cardiovascular diseases | 390–459 | 31 | 46.32 | 0.67* | (0.45–0.95) |
| Gastrointestinal diseases | 520–579 | 11 | 7.01 | 1.57 | (0.78–2.81) |
| Violent causes | 800–998 | 5 | 6.09 | 0.82 | (0.26–1.92) |
| Other causes‡ | 6 | 15.49 | 0.39* | (0.14–0.84) | |
| All deaths | 001–999 | 81 | 114.99 | 0.70* | (0.56–0.88) |