Red Blood Cell Count (RBC)
Males, Age 40-49
The median RBC for males aged 40-49 in the US population is 5.0 million cells/µL, with 90% of the population falling between 4.45 and 5.66.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 623 participants · Unit: million cells/µL
Percentile Distribution
| Percentile | P5 | P10 | P25 | P50 | P75 | P90 | P95 |
|---|---|---|---|---|---|---|---|
| Value (million cells/µL) | 4.5 | 4.6 | 4.8 | 5 | 5.3 | 5.5 | 5.7 |
| Percentile | Value (million cells/µL) |
|---|---|
| P5 | 4.5 |
| P10 | 4.6 |
| P25 | 4.8 |
| P50 | 5 |
| P75 | 5.3 |
| P90 | 5.5 |
| P95 | 5.7 |
4.5 4.8 5 5.3 5.7
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
- 623 participants
- Reference population
- US civilian non-institutionalized males aged 40-49 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
- Exclusion criteria
-
- Missing RBC measurement (LBXRBCSI)
- Missing or zero MEC sample weight (WTMECPRP)
- Age outside 40-49 range
- Notes
- Percentiles computed using survey-weighted analysis (WTMECPRP weight from the pre-pandemic combined file). RBC measured as LBXRBCSI in million cells/µL.