SMRs (observed deaths) by cumulative exposure for haematopoietic cancer (ICD 9th revision 200–208), no lag (n = 17 530)
| Cause | 0–1199 ppm-days | 1200–3679 ppm-days | 3680–13499 ppm-days | 13500+ ppm-days |
|---|---|---|---|---|
| All haematopoietic | 0.77 (18) | 1.31 (20) | 1.10 (18) | 0.94 (18) |
| NHL | 0.76 (7) | 1.34 (8) | 0.85 (6) | 1.21 (9) |
| Hodgkin’s | 0 (0) | 0.99 (1) | 2.97 (3) | 2.20 (2) |
| Leukaemia | 1.15 (10) | 1.06 (6) | 0.93 (6) | 0.43 (3) |
| Myeloma | 0.26 (1) | 1.89 (5) | 0.92 (3) | 1.03 (4) |