Table 3

SMRs (observed deaths) by cumulative exposure for haematopoietic cancer, 10 year lag* (n = 17 530)

Cause0 (lagged out)>0–1199 ppm-days1200–3679 ppm-days3680–13499 ppm-days13500+ ppm-days
*A 10 year lag ignores any exposure which occurs in the ten years prior to death or end of follow up.
All haematopoietic0.72 (9)0.88 (18)1.16 (15)1.08 (16)1.04 (16)
NHL1.31 (5)0.71 (6)1.13 (6)0.66 (4)1.47 (9)
Hodgkin’s0.41 (1)0 (0)1.75 (1)3.57 (2)3.77 (2)
Leukaemia0.40 (2)1.35 (10)0.85 (4)1.33 (7)0.36 (2)
Myeloma1.36 (1)3.65 (2)2.44 (4)1.03 (3)0.92 (3)