SMRs (observed deaths) by cumulative exposure for haematopoietic cancer, 10 year lag* (n = 17 530)
| Cause | 0 (lagged out) | >0–1199 ppm-days | 1200–3679 ppm-days | 3680–13499 ppm-days | 13500+ ppm-days |
|---|---|---|---|---|---|
| *A 10 year lag ignores any exposure which occurs in the ten years prior to death or end of follow up. | |||||
| All haematopoietic | 0.72 (9) | 0.88 (18) | 1.16 (15) | 1.08 (16) | 1.04 (16) |
| NHL | 1.31 (5) | 0.71 (6) | 1.13 (6) | 0.66 (4) | 1.47 (9) |
| Hodgkin’s | 0.41 (1) | 0 (0) | 1.75 (1) | 3.57 (2) | 3.77 (2) |
| Leukaemia | 0.40 (2) | 1.35 (10) | 0.85 (4) | 1.33 (7) | 0.36 (2) |
| Myeloma | 1.36 (1) | 3.65 (2) | 2.44 (4) | 1.03 (3) | 0.92 (3) |