Biomarkers · Nutritional
Serum Vitamin C (Ascorbic Acid)
Higher values carry lower risk. Not measured in our NHANES panel; the curve is synthesised from the published association.
Hazard ratio relative to the curve's reference value, as synthesised from the published association.
Published hazard ratio1.31top vs bottom third (95% CI 1.16–1.48) · NHANES III prospective mortality linkage (1988-2011)
Where people sit
Population percentiles (umol/L) by sex and age band. Cycle or source as recorded in the catalogue.
| Sex | Age | 5th | 25th | Median | 75th | 95th | n | Cycle / source |
|---|---|---|---|---|---|---|---|---|
| All | 20-39 | 11.0 | 33.0 | 48.2 | 63.4 | 85.4 | 6,400 | Peto et al. 2017 (Mort… |
| All | 40-59 | 14.4 | 36.1 | 51.2 | 66.3 | 88.0 | 6,400 | Peto et al. 2017 (Mort… |
| All | 60+ | 18.1 | 39.5 | 54.3 | 69.1 | 90.5 | 6,400 | Peto et al. 2017 (Mort… |
| All | all | 14.4 | 36.1 | 51.2 | 66.3 | 88.0 | 6,400 | Peto et al. 2017 (Mort… |
| Men | all | 13.4 | 34.7 | 49.6 | 64.4 | 85.8 | 6,400 | Peto et al. 2017 (Mort… |
| Women | all | 15.4 | 37.3 | 52.5 | 67.8 | 89.7 | 6,400 | Peto et al. 2017 (Mort… |
Sources
- Hazard curve: Peto et al. 2017 (PMID 28858850) anchor; nhanes_cox_spline
- Peto MV, et al. MortalityPredictors.org: a manually-curated database of published results from longitudinal studies of mortality risk factors. Aging (Albany NY). 2017;9(9):1965-1983.