Phenotype | Sample size |
---|---|
Exceptional longevity | 130 male centenarians |
 | 130 male controls |
 | 130 female centenarians |
 | 100 female controls |
Fetal hemoglobin expression | 55 sickle cell anemia subjects with fetal hemoglobin below 3% of the total hemoglobin |
 | 54 sickle cell anemia subjects with fetal hemoglobin above 6.5% of the total hemoglobin |