Serum Iron
Females, Age 70+
The median serum iron for US females aged 70+ in the US population is 79.0 µg/dL (14.1 µmol/L), with 90% of the population falling between 41.0 and 126.0 µg/dL.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 1,108 participants · Unit: µg/dL
Percentile Distribution
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (µg/dL) | 41 | 60 | 79 | 97 | 126 |
41 60 79 97 126
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from full MEC sample)
- Survey years
- 2017-2020
- Sample size
- 1,108 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 serum iron measurement (LBXIRN)
- Missing or zero MEC sample weight (WTMEC)
- Age outside 70+ range
- Notes
- Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). Serum iron measured as LBXIRN in µg/dL.