Alkaline Phosphatase
Females, Age 40-49
The median alkaline phosphatase for US females aged 40-49 in the US population is 67 U/L, with 90% of the population falling between 41 U/L and 111.1 U/L.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 649 participants · Unit: U/L
Percentile Distribution
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (U/L) | 41 | 54 | 67 | 83 | 111.1 |
41 54 67 83 111.1
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
- 649 participants
- Reference population
- US civilian non-institutionalized females aged 40-49 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
- Exclusion criteria
-
- Missing alkaline phosphatase measurement (LBXSAPSI)
- Missing or zero MEC sample weight (WTMEC)
- Age outside 40-49 range
- Notes
- Percentiles computed using the combined pre-pandemic MEC weight (WTMECPRP). Alkaline phosphatase measured as LBXSAPSI in U/L.