Table 2. Overall and site-specific standardized incidence ratio of cancer in patients with type 1 diabetes in Taiwan, 2000–2008.
| Cancer site (ICD-9-CM codes) |
Male | Female | ||||||
| Number of incident cancers | Standardized incidence ratioa | Number of incident cancers | Standardized incidence ratio | |||||
| Observed | Expected | Estimate | 95% CI | Observed | Expected | Estimate | 95% CI | |
| Stomach (151) | 17 | 15.8 | 1.08 | 0.63–1.72 | 14 | 10.5 | 1.33 | 0.73–2.24 |
| Colon (153) | 31 | 20.6 | 1.50 | 1.02–2.14 | 39 | 20 | 1.95 | 1.39–2.67 |
| Rectum (154) | 27 | 16.5 | 1.64 | 1.08–2.38 | 15 | 14 | 1.07 | 0.60–1.77 |
| Liver (155) | 92 | 56.6 | 1.63 | 1.31–1.99 | 30 | 29.9 | 1.00 | 0.68–1.43 |
| Pancreas (157) | 12 | 4.6 | 2.61 | 1.35–4.56 | 16 | 3.9 | 4.10 | 2.35–6.66 |
| Lung (162) | 51 | 38.7 | 1.32 | 0.98–1.73 | 35 | 25.3 | 1.38 | 0.96–1.92 |
| Prostate (185) | 66 | 21.2 | 3.11 | 2.41–3.96 | ||||
| Bladder (188) | 17 | 37.8 | 0.45 | 0.26–0.72 | 11 | 3.8 | 2.89 | 1.45–5.18 |
| Kidney (184, 189) | 11 | 5.2 | 2.12 | 1.06–3.79 | 13 | 8.6 | 1.51 | 0.80–2.58 |
| Female breast (174) | NA | 56 | 54.1 | 1.04 | 0.78–1.34 | |||
| Cervix uteri (180) | NA | 27 | 19.2 | 1.41 | 0.93–2.05 | |||
| Endometrial (179, 182) | NA | 12 | 6.32 | 1.90 | 0.98–3.32 | |||
| Ovary (188) | NA | 7 | 1.8 | 3.89 | 1.56–8.01 | |||
| All-cause | 427 | 392.0 | 1.09 | 0.99–1.20 | 333 | 279.1 | 1.19 | 1.07–1.33 |
CI, confidence interval; NA, not applicable.
aStandardized for age and calendar year.