Aspartate Aminotransferase (AST)
Females, Age 50-59
The median aspartate aminotransferase (AST) for US females aged 50-59 in the US population is 19.0 U/L, with 90% of the population falling between 13.0 and 32.0 U/L.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 1,177 participants · Unit: U/L
Percentile Distribution
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (U/L) | 13 | 16 | 19 | 24 | 32 |
13 16 19 24 32
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
- 1,177 participants
- Reference population
- US civilian non-institutionalized females aged 50-59 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
- Exclusion criteria
-
- Missing AST measurement (LBXSASSI)
- Missing or zero MEC sample weight (WTMEC)
- Age outside 50-59 range
- Notes
- Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). AST measured as LBXSASSI in U/L.