Serum Folate
Females, Age 50-59
The median serum folate for females aged 50-59 in the US population is 16.6 ng/mL, with 90% of this group falling between 6.9 and 39.0 ng/mL.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 355 participants · Unit: ng/mL
Percentile Distribution
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (ng/mL) | 6.9 | 11.1 | 16.6 | 23.8 | 39.0 |
6.9 11.1 16.6 23.8 39.0
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from NHANES 2017-March 2020 pre-pandemic combined cycles using the published folate subsample weight WTFOLPRP applied directly with no division.)
- Survey years
- 2017-2020
- Sample size
- 355 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 pre-pandemic folate sample weight (WTFOLPRP)