LabNorms Population Percentiles

Vitamin B12

Males, Age 70+

The median vitamin B12 for males aged 70+ in the US population is 521 pg/mL, with 90% of this group falling between 190 and 1487 pg/mL.

NHANES 2013-2014 2013-2014 · Sample size: 388 participants · Unit: pg/mL

Percentile Distribution

Unit:
Percentile P5P10P25P50P75P90P95
Value (pg/mL) 190 261 355 521 713 984 1487
Percentile Value (pg/mL)
P5 190
P10 261
P25 355
P50 521
P75 713
P90 984
P95 1487
190 355 521 713 1487
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2013-2014 ( NHANES 2013-2014 2013 , Survey-weighted percentiles from NHANES 2013-2014 single cycle. Sample weight WTMEC2YR is applied directly with no division because data are not pooled across cycles.)
Survey years
2013-2014
Sample size
388 participants
Reference population
US males 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)

Other Demographic Groups