Analysis of the Distribution of Transferrin Saturations for African Americans
| . | Postulated Subpopulation Including Normal Homozygotes for a Locus That Influences Iron Metabolism . | Postulated Subpopulation Including Heterozygotes for a Locus That Influences Iron Metabolism . | Postulated Subpopulation Including Abnormal Homozygotes for a Locus That Influences Iron Metabolism . |
|---|---|---|---|
| Unweighted sample of 808 values | |||
| Proportion | .856 | .136 | .009 |
| Mean transferrin saturation (%) | 24.6 | 38.0 | 63.4 |
| SD | 5.7 | 5.7 | 5.7 |
| Sample weighted to reflect the African-American population as a whole | |||
| Proportion | .815 | .172 | .012 |
| Mean transferrin saturation (%) | 24.3 | 39.1 | 61.0 |
| SD* | 5.8 | 5.8 | 5.8 |
| . | Postulated Subpopulation Including Normal Homozygotes for a Locus That Influences Iron Metabolism . | Postulated Subpopulation Including Heterozygotes for a Locus That Influences Iron Metabolism . | Postulated Subpopulation Including Abnormal Homozygotes for a Locus That Influences Iron Metabolism . |
|---|---|---|---|
| Unweighted sample of 808 values | |||
| Proportion | .856 | .136 | .009 |
| Mean transferrin saturation (%) | 24.6 | 38.0 | 63.4 |
| SD | 5.7 | 5.7 | 5.7 |
| Sample weighted to reflect the African-American population as a whole | |||
| Proportion | .815 | .172 | .012 |
| Mean transferrin saturation (%) | 24.3 | 39.1 | 61.0 |
| SD* | 5.8 | 5.8 | 5.8 |
*Assumes a simple random sample.