Table 3.

Average annual AAIR and IRR for major leukemia subtypes by race/ethnicity among California residents ≥20 y of age (1988-2004)

Leukemia subtypeRace/ethnicityNAAIR* (95% CI)IRR (95% CI)
Acute lymphoblastic§White1,6820.76 (0.72-0.80)1.00
Hispanic1,1171.29 (1.20-1.38)1.69 (1.55-1.84)
African American1410.60 (0.50-0.71)0.78 (0.65-0.94)
Asian/PI/AI/AN,3020.72 (0.64-0.81)0.95 (0.83-1.08)
Acute myeloid**White12,2955.35 (5.25-5.44)1.00
African American2,5154.14 (3.96-4.33)0.77 (0.74-0.81)
Hispanic8984.62 (4.32-4.95)0.87 (0.81-0.94)
Asian/PI/AI/AN,1,4924.18 (3.96-4.40)0.78 (0.74-0.83)
B-cell chronic lymphocytic††White18,5297.95 (7.83-8.06)1.00
Hispanic1,7373.86 (3.67-4.05)0.49 (0.46-0.51)
African American1,1546.31 (5.95-6.70)0.79 (0.75-0.84)
Asian/PI/AI/AN,6321.92 (1.77-2.08)0.24 (0.22-0.26)
Chronic myeloid‡‡
White4,1521.82 (1.77-1.88)1.00
Hispanic1,1521.70 (1.59-1.82)0.93 (0.87-1.00)
African American4141.98 (1.79-2.19)1.09 (0.97-1.20)
Asian/PI/AI/AN,5371.38 (1.26-1.51)0.76 (0.69-0.83)
  • * Rates are expressed per 100,000 population and age-adjusted according to the percent distribution of 5-year age groups from the 2000 U.S. population (U.S. Census Bureau).

  • Ninety-five percent confidence interval.

  • IRRs using White as the reference group.

  • § ICD-O-3 code: 9835-9837.

  • Asian/Pacific Islanders/American Indians/Alaskan Natives.

  • White, African American, Hispanic, and Asian/PI/AI/AN are mutually exclusive groupings of race and ethnicity.

  • ** ICD-O-3 codes: 9840, 9861, 9866, 9867, 9870-9874, 9891, 9895-9897, 9910, 9920, 9930, and 9931.

  • †† ICD-O-3 codes: 9823 and 9670.

  • ‡‡ ICD-O-3 code: 9863, 9875, and 9876.