Alkaline Phosphatase
Females, Age 70+
The median alkaline phosphatase for US females aged 70+ in the US population is 80.0 U/L, with 90% of the population falling between 48.0 and 130.5 U/L.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 1,106 participants · Unit: U/L
Percentile Distribution
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (U/L) | 48 | 66 | 80 | 97 | 130.5 |
48 66 80 97 130.5
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
- 1,106 participants
- Reference population
- US civilian non-institutionalized females aged 70+ 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 70+ range
- Notes
- Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). Alkaline phosphatase measured as LBXSAPSI in U/L.