Vitamin C
Females, Age 70+
The median serum vitamin C for females aged 70+ in the US population is 1.15 mg/dL, with 90% of this group falling between 0.18 and 2.15 mg/dL.
NHANES 2017-2018 2017-2018 · Sample size: 447 participants · Unit: mg/dL
Percentile Distribution
Unit:
| Percentile | P5 | P10 | P25 | P50 | P75 | P90 | P95 |
|---|---|---|---|---|---|---|---|
| Value (mg/dL) | 0.18 | 0.36 | 0.75 | 1.15 | 1.50 | 1.80 | 2.15 |
| Percentile | Value (mg/dL) |
|---|---|
| P5 | 0.18 |
| P10 | 0.36 |
| P25 | 0.75 |
| P50 | 1.15 |
| P75 | 1.50 |
| P90 | 1.80 |
| P95 | 2.15 |
0.18 0.75 1.15 1.50 2.15
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
- 447 participants
- Reference population
- US females aged 70+, 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)