Red Cell Distribution Width (RDW)
Males, Age 30-39
The median RDW for males aged 30-39 in the US population is 13.2%, with 90% of the population falling between 12.4% and 14.9%.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 550 participants · Unit: %
Percentile Distribution
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (%) | 12.4 | 12.9 | 13.2 | 13.7 | 14.9 |
12.4 12.9 13.2 13.7 14.9
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from pre-pandemic MEC sample)
- Survey years
- 2017-2020
- Sample size
- 550 participants
- Reference population
- US civilian non-institutionalized males aged 30-39 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
- Exclusion criteria
-
- Missing RDW measurement (LBXRDW)
- Missing or zero MEC sample weight (WTMECPRP)
- Age outside 30-39 range
- Notes
- Percentiles computed using survey-weighted analysis (WTMECPRP weight from the pre-pandemic combined file). RDW measured as LBXRDW in percent.