Table 1

Descriptive statistics for Ph+ CML cases and controls

Cases Controls
Eligible (n)2557651-150
Contacted for interview (n)2553491-151
Interviewed (n)226251
 Next of kin interview (n (%))182 (81)35 (14)
 Men (n (%))125 (55)140 (56)
 Year of birth (median (10%–90%))1-152 1935 (1913–54)1934 (1913–55)
 Age (median (10%–90%))1-152 1-153 51 (31–71)52 (31–72)
 Year of diagnosis (median (10%–90%))1-152 1986 (1978–92)
  • 1-150 Three controls were selected for each case, matched for sex, age, and county of living, and were obtained from the study population of southern Sweden for the calendar year in which each case was diagnosed.

  • 1-151 When interview information for a control could not be obtained, another control from the matched set was contacted.

  • 1-152 Median (10th–90th percentiles).

  • 1-153 Age at the year of diagnosis for cases. Age at the year of selection from the study population for controls.