Table 5
Mortality of workers monitored for internal contamination compared with other radiation workers and trends of mortality in those workers with cumulative external unlagged radiation dose; rate ratios and trend tests are adjusted for age, sex, calendar year, and social class
| ICD code, 9th revision | Disease | RR | 95% CI | Dose trend | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Observed/expected deaths | χ12(direction of trend) | p | ||||||||
| <10 mSv | 10–<20 mSv | 20–<50 mSv | 50–<100 mSv | 100+ mSv | ||||||
| 140–208 | All malignant neoplasms | 1.01 | (0.90–1.13) | 59/67.9 | 58/58.3 | 150/136.5 | 105/109.8 | 167/166.5 | 0.0 (+) | 1.00 |
| 140–149 | Buccal cavity and pharynx | 0.67 | (0.24–1.86) | 0/0.8 | 1/0.7 | 0/1.7 | 2/0.9 | 3/1.9 | 1.0 (+) | 0.32 |
| 150 | Oesophagus | 0.65 | (0.36–1.18) | 0/1.9 | 3/2.3 | 5/3.9 | 4/4.1 | 6/6.0 | 0.0 (+) | 0.92 |
| 151 | Stomach | 1.01 | (0.67–1.51) | 6/4.8 | 5/4.4 | 12/10.7 | 5/8.1 | 13/13.0 | 0.1 (−) | 0.82 |
| 153 | Large intestine | 1.02 | (0.69–1.50) | 3/5.0 | 6/5.8 | 14/10.3 | 10/9.3 | 10/12.5 | 0.3 (−) | 0.58 |
| 154 | Rectum | 1.04 | (0.60–1.82) | 2/2.4 | 2/1.8 | 10/6.6 | 3/4.8 | 5/6.4 | 0.4 (−) | 0.52 |
| 155–156 | Liver and gall bladder | 1.14 | (0.47–2.77) | 3/1.9 | 1/1.3 | 4/2.2 | 1/1.6 | 0/2.0 | 2.2 (−) | 0.14 |
| 157 | Pancreas | 0.70 | (0.38–1.32) | 1/1.6 | 3/1.7 | 6/3.9 | 3/3.0 | 2/4.8 | 1.4 (−) | 0.23 |
| 161 | Larynx | 1.17 | (0.14–6.35) | 0/0.6 | 0/0.3 | 1/0.8 | 1/0.9 | 2/1.4 | 0.3 (+) | 0.59 |
| 162 | Bronchus and lung | 1.04 | (0.85–1.27) | 24/20.9 | 15/16.9 | 45/41.3 | 36/34.0 | 51/57.8 | 0.7 (−) | 0.41 |
| 163 | Pleura | 1.80 | (0.43–∞) | 0/0.4 | 0/0.7 | 2/1.1 | 3/1.5 | 0/1.3 | 0.5 (−) | 0.46 |
| 172 | Malignant melanoma | 1.50 | (0.56–4.06) | 0/0.8 | 1/1.2 | 1/1.7 | 1/1.5 | 4/1.7 | 2.9 (+) | 0.09 |
| 174 | Breast | 0.73 | (0.00–2.56) | 1/1 | 0/0.5 | 0/0.2 | 0/0 | 1/0.4 | 1.9 (+) | 0.17 |
| 179–182 | All uterus | 6.59 | (1.40–43.60) | 2/2.54 | 1/0.4 | 0/0.9 | 1/0.05 | 0/0.12 | 0.0 (+) | 0.86 |
| 180 | Cervix | 1.11 | (0.00 –∞) | 0/1 | 0/0 | 0/0 | 1/0 | 0/0 | 365.0 (+) | 0.00 |
| 179, 182 | Endometrium | 12.96 | (1.65–∞) | 2/1.5 | 1/0.4 | 0/0.9 | 0/0.05 | 0/0.12 | 0.4 (−) | 0.51 |
| 183 | Ovary | – | – | – | – | – | – | – | – | – |
| 185 | Prostate, all years | 1.39 | (0.95–2.04) | 3/5.0 | 2/5.1 | 14/14.0 | 10/12.1 | 20/12.8 | 3.60 (+) | 0.06 |
| Prostate, 1946–79 | 1.36 | (0.90–2.08) | 0/1.09 | 0/1.29 | 2/3.6 | 1/1.9 | 8/3.1 | 7.0 (+) | 0.01 | |
| Prostate, 1980–97 | 0.75 | (0.61–0.93) | 3/3.9 | 2/3.8 | 12/10.4 | 9/10.2 | 12/9.7 | 0.5 (+) | 0.49 | |
| 186 | Testis | 1.11 | (0.25–5.19) | 0/0.6 | 1/0.6 | 1/1.1 | 0/0.5 | 1/0.3 | 1.5 (+) | 0.23 |
| 188–189 | Urinary | 1.08 | (0.70–1.65) | 2/4.4 | 4/3.5 | 10/8.8 | 6/6.7 | 14/12. 7 | 0.2 (+) | 0.68 |
| 189.0 | Kidney | 0.99 | (0.49–1.97) | 1/1.2 | 4/1.3 | 5/3.7 | 2/3.0 | 1/3.9 | 2.4 (−) | 0.12 |
| 191–192 | Brain and other central nervous system | 0.74 | (0.34–1.58) | 5/2.2 | 1/1.2 | 1/2.7 | 1/2.4 | 3/2.5 | 0.0 (+) | 1.00 |
| 193 | Thyroid | 0.50 | (0.00–∞) | 0/0.05 | 0/0.07 | 0/0.3 | 0/0.2 | 1/0.4 | 0.9 (+) | 0.33 |
| 195–199 | Ill defined and secondary | 1.53 | (1.01–2.32) | 4/5.4 | 4/4.8 | 17/12.1 | 6/8.4 | 13/13.4 | 0.0 (−) | 0.89 |
| 200–208 | All lymphatic and haematopoietic | 0.74 | (0.50–1.10) | 3/5.0 | 7/4.76 | 4/9.9 | 11/8.5 | 16/12.9 | 0.9 (+) | 0.34 |
| 200,202 | Non-Hodgkin’s lymphoma | 0.68 | (0.36–1.27) | 1/1.7 | 4/1.8 | 0/3.9 | 4/2.5 | 6/5.0 | 0.2 (+) | 0.62 |
| 201 | Hodgkin’s disease | 0.54 | (0.00–4.64) | 0/0.06 | 0/0.03 | 0/0.11 | 1/0.11 | 0/0.7 | 0.4 (−) | 0.54 |
| 203 | Multiple myeloma | 1.20 | (0.37–3.69) | 1/0.9 | 1/0.5 | 1/1.4 | 3/2.4 | 2/2.8 | 0.2 (−) | 0.70 |
| 204–208 | Leukaemia | 0.71 | (0.39–1.28) | 1/2.3 | 2/2.4 | 3/4.5 | 3/3.5 | 8/4.5 | 2.6 (+) | 0.11 |
| 204–208 excl. 204.1 | Leukaemia excl. CLL | 0.88 | (0.45–1.72) | 1/2.0 | 2/2.1 | 3/3.9 | 1/2.5 | 7/3.4 | 3.0 (+) | 0.08 |
| 410–414 | Ischaemic heart disease | 0.94 | (0.85–1.05) | 80/70.4. | 53/63.1 | 154/153.6 | 133/125.3 | 216/223.7 | 0.2 (−) | 0.67 |
| 460–519 | Respiratory disease | 0.75 | (0.60–0.92) | 15/15.6 | 12/14.0 | 44/34.1 | 18/27.7 | 43/40.7 | 0.0 (+) | 0.92 |
| 800–999 | Accidents, suicides, and violence | 0.86 | (0.67–1.12) | 27/21.1 | 11/12.5 | 20/19.1 | 11/13.7 | 17/19.6 | 0.7 (+) | 0.41 |
| 000–999 | All causes | 0.94 | (0.88–0.99) | 232/228 | 180/193 | 466/444 | 355/358 | 571/580 | 0.1 (−) | 0.72 |
