Prevalence of Neutropenia in the U.S. Population: Age, Sex, Smoking Status, and Ethnic Differences

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Table 1. Mean Hematologic Values, by Age, Sex, and Ethnic Group*

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Appendix Table 1. Mean Hematologic Values, by Age, Sex, and Ethnic Group* ${webonly}$

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Appendix Table 2. Mean Hematologic Values in 3 Major Ethnic Groups, by Age* ${webonly}$

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Figure 1. Distribution of leukocyte (top) and neutrophil (bottom) counts in persons age 18 years or older from 3 ethnic groups.

Appendix Table 3 shows the actual percentages and number of participants.

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Appendix Table 3. Number and Proportion of Participants, by Distribution of Leukocyte and Neutrophil Count ${webonly}$

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Table 2. Comparative Mean Leukocyte and Neutrophil Counts in Smokers and Nonsmokers Age 20 Years or Older

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Figure 2. Percentage of females (top) and males (bottom) with neutrophil counts less than 1.5 x 10⁹ cells/L.

The error bars refer to the standard errors. Appendix Table 4 shows the actual percentages and number of participants.

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Appendix Table 4. Percentage of Male and Female Participants with Neutrophil Counts Less than 1.5 x 10⁹ Cells/L ${webonly}$

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Table 3. Prevalence of a Neutrophil Count Less than 1.5 x 10⁹ Cells/L

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Table 4. Overall Prevalence of Black Participants with Neutrophil Counts of 1.0 to 1.5 x 10⁹ Cells/L and Less than 1.0 x 10⁹ Cells/L