Vitamin A (Retinol)
Females, Age 70+
The median serum retinol for females aged 70+ in the US population is 56.6 µg/dL, with 90% of this group falling between 37.0 and 86.4 µg/dL.
NHANES 2017-2018 2017-2018 · Sample size: 449 participants · Unit: µg/dL
Percentile Distribution
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (µg/dL) | 37.0 | 47.5 | 56.6 | 67.3 | 86.4 |
37.0 47.5 56.6 67.3 86.4
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES 2017-2018 ( NHANES 2017-2018 2017 , Survey-weighted percentiles from NHANES 2017-2018 single cycle. Sample weight WTMEC2YR is applied directly with no division because data are not pooled across cycles.)
- Survey years
- 2017-2018
- Sample size
- 449 participants
- Reference population
- US adults aged 20+, excluding pregnant participants
- Exclusion criteria
-
- Age under 20
- Pregnant at time of exam (RIDEXPRG == 1)
- Missing analyte value
- Missing or zero MEC two-year sample weight (WTMEC2YR)