LabNorms Population Percentiles

HbA1c

Females, Age 70+

The median HbA1c for US females aged 70 and over is 5.8%, with the full population distribution shifted upward compared to younger women.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 1,140 participants · Unit: %

Percentile Distribution

Unit:
Percentile P5P25P50P75P95
Value (%) 5.1 5.5 5.8 6.2 7.7
5.1 5.5 5.8 6.2 7.7
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
1,140 participants
Reference population
US civilian non-institutionalized females aged 70 and over from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
Exclusion criteria
  • Missing HbA1c measurement
  • Missing or zero MEC sample weight (WTMEC)
  • Age under 70
Notes
Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). HbA1c measured as glycohemoglobin percentage (LBXGH). To convert to mmol/mol: (% - 2.15) x 10.929.

Other Demographic Groups