Table 1

 Number of cases with malignant lymphoma diagnosed in Sweden (1964–2000) and their matched controls

CasesControls
*Numbers exceed the total because of overlap.
Overall50 61592 928
Sex
    Males28 91653 132
    Females21 69939 796
Age at lymphoma diagnosis (years)
    <507,39314 441
    50–7426 36348 702
    >7516 31229 783
Type of malignant lymphoma*
    Hodgkin’s lymphoma32 77360 202
    Non-Hodgkin’s lymphoma716113 103
    Chronic lymphocytic leukaemia10 98220 141
Year of lymphoma diagnosis
    1964–197917 12131 499
    1980–198915 63429 011
    1990–200017 86032 418
No of identified spouses35 48664 591