Follow up of the 1939 study cohort, men and women combined (SIRs for selected cancer sites with South West Health Region reference rates, 1971–92)
| Cause | Shipham | Hutton | |||||
|---|---|---|---|---|---|---|---|
| Observed | SIR | 95% CI | Observed | SIR | 95% CI | ||
| All malignant neoplasms | 23 | 167 | 106 to 250 | 22 | 167 | 105 to 253 | |
| Gastrointestinal cancers | 6 | 152 | 56 to 332 | 6 | 160 | 59 to 349 | |
| Lung cancer | 5 | 246 | 80 to 574 | 3 | 161 | 33 to 472 | |
| Breast cancer (female only) | 5 | 296 | 96 to 690 | 2 | 133 | 16 to 481 | |
| Genitourinary cancers | 3 | 113 | 23 to 331 | 5 | 199 | 65 to 465 | |
| Prostate cancer | 1 | 148 | 4 to 824 | 1 | 150 | 4 to 838 | |
| Ovarian cancer | 1 | 303 | 8 to 1689 | 0 | — | — | |
| Bladder or kidney cancer | 0 | — | — | 3 | 372 | 77 to 1086 | |
| Other genitourinary cancers | 1 | 186 | 5 to 1034 | 1 | 202 | 5 to 1123 | |
| Other malignant neoplasms (males) | 0 | — | — | 2 | 163 | 20 to 587 | |
| Other malignant neoplasms (females) | 4 | 167 | 46 to 429 | 4 | 174 | 48 to 446 | |