LabNorms Population Percentiles

Total Iron-Binding Capacity (TIBC)

Females, Age 30-39

The median total iron-binding capacity (TIBC) for US females aged 30-39 in the US population is 335.0 µg/dL (60.0 µmol/L), with 90% of the population falling between 270.0 and 448.0 µg/dL.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 1,096 participants · Unit: µg/dL

Percentile Distribution

Unit:
Percentile P5P25P50P75P95
Value (µg/dL) 270 304 335 371 448
270 304 335 371 448
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from full MEC sample)
Survey years
2017-2020
Sample size
1,096 participants
Reference population
US civilian non-institutionalized females aged 30-39 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
Exclusion criteria
  • Missing total iron-binding capacity measurement (LBDTIB)
  • Missing or zero MEC sample weight (WTMEC)
  • Age outside 30-39 range
Notes
Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). Total iron-binding capacity measured as LBDTIB in µg/dL.

Other Demographic Groups