LabNorms Population Percentiles

Total Triiodothyronine (T3)

Males, Age 50-59

The median total T3 for males aged 50-59 in the US population is 112.6 ng/dL, with 90% of this group falling between 81.3 and 143.9 ng/dL.

NHANES 2009-2012 Thyroid Profile (Subsample A) 2009-2012 · Sample size: 263 participants · Unit: ng/dL

Percentile Distribution

Percentile P5P25P50P75P95
Value (ng/dL) 81.3 99.4 112.6 127 143.9
81.3 99.4 112.6 127 143.9
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2009-2012 Thyroid Profile (Subsample A) ( NHANES 2009–2012 Thyroid 2009 , Survey-weighted percentiles from NHANES 2009-2012 Thyroid Profile Subsample A)
Survey years
2009-2012
Sample size
263 participants
Reference population
US adults aged 20+, excluding pregnant participants, those with self-reported thyroid disease, and current thyroid medication users
Exclusion criteria
  • Age under 20
  • Pregnant at time of exam (RIDEXPRG == 1)
  • Self-reported thyroid disease (MCQ160M == 1)
  • Current thyroid medication use (RXDDRUG match against thyroid_drug_list.txt)
  • Missing analyte value
  • Missing or zero subsample weight (WTSA2YR)

Other Demographic Groups