Vitamin A (Retinol)
Females, Age 20-29
The median serum retinol for females aged 20-29 in the US population is 43.6 µg/dL, with 90% of this group falling between 26.0 and 67.9 µg/dL.
NHANES 2017-2018 2017-2018 · Sample size: 354 participants · Unit: µg/dL
Percentile Distribution
Unit:
| Percentile | P5 | P10 | P25 | P50 | P75 | P90 | P95 |
|---|---|---|---|---|---|---|---|
| Value (µg/dL) | 26.0 | 31.5 | 37.3 | 43.6 | 53.6 | 62.2 | 67.9 |
| Percentile | Value (µg/dL) |
|---|---|
| P5 | 26.0 |
| P10 | 31.5 |
| P25 | 37.3 |
| P50 | 43.6 |
| P75 | 53.6 |
| P90 | 62.2 |
| P95 | 67.9 |
26.0 37.3 43.6 53.6 67.9
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
- 354 participants
- Reference population
- US females aged 20-29, 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)