25-Hydroxyvitamin D
Females, Age 70+
The median 25-hydroxyvitamin D for females aged 70+ in the US population is 37.5 ng/mL, with 90% of this group falling between 18.2 and 61.7 ng/mL.
NHANES 2017-2018 2017-2018 · Sample size: 450 participants · Unit: ng/mL
Percentile Distribution
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (ng/mL) | 18.2 | 29.7 | 37.5 | 44.9 | 61.7 |
18.2 29.7 37.5 44.9 61.7
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
- 450 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)