White Blood Cell Count (WBC)
Females, Age 70+
The median WBC for females aged 70+ in the US population is 7.0 (x1000 cells/uL), with 90% of the population falling between 4.2 and 11.3.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 691 participants · Unit: 1000 cells/uL
Percentile Distribution
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (1000 cells/uL) | 4.2 | 5.7 | 7 | 8.3 | 11.3 |
4.2 5.7 7 8.3 11.3
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
- 691 participants
- Reference population
- US civilian non-institutionalized females aged 70+ from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
- Exclusion criteria
-
- Missing WBC measurement (LBXWBCSI)
- Missing or zero MEC sample weight (WTMECPRP)
- Age outside 70+ range
- Notes
- Percentiles computed using survey-weighted analysis (WTMECPRP weight from the pre-pandemic combined file). WBC measured as LBXWBCSI in 1000 cells/uL.