Gender Ethnicracial And Life Span Considerations

Chronic leukemia affects mostly older adults, over age 50 years. Only about 2% of chronic leukemia patients are children. CLL affects adults, and CML affects mostly adults in the fourth and fifth decades of life; uncommonly, CMS affects children and the elderly. Twice as many males as females develop chronic leukemia. There are no racial and ethnic considerations for CML, but CLL is rare in Asian countries. The reasons for the differences in prevalence in the U.S. population as compared with Asian populations is unknown. In the United States, the incidence of CLL is also higher in whites as compared with African Americans.

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