Ferritin Reference Ranges for Females, Age 70+
NHANES 2017–2020 · n = 318 · ng/mL
The median ferritin level for females aged 70 and older in the US population is 102 ng/mL (NHANES 2017–2020).
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (ng/mL) | 24 | 58 | 102 | 168 | 288 |
24 58 102 168 288
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES
- Survey years
- 2017–2020
- Sample size
- 318 participants
- Reference population
- US civilian non-institutionalized females from NHANES 2017–March 2020 pre-pandemic, excluding pregnant women, participants with WBC >10.0 × 10⁹/L, CRP >5.0 mg/L, ALT or AST >70 IU/L, ferritin >200 µg/L (iron overload risk), or missing ferritin or hemoglobin values.
- Exclusion criteria
-
- Pregnant women
- WBC >10.0 × 10⁹/L (infection marker)
- CRP >5.0 mg/L (inflammation marker)
- ALT or AST >70 IU/L (liver disease marker)
- Ferritin >200 µg/L (iron overload risk)
- Missing ferritin or hemoglobin values
- Notes
- Percentiles computed using survey-weighted analysis accounting for NHANES complex sampling design.
- Sources