Blood Urea Nitrogen (BUN)
Males, Age 40-49
The median blood urea nitrogen (BUN) for US males aged 40-49 in the US population is 15.0 mg/dL (5.4 mmol/L urea), with 90% of the population falling between 10.0 and 22.0 mg/dL.
NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 937 participants · Unit: mg/dL
Percentile Distribution
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (mg/dL) | 10 | 13 | 15 | 17 | 22 |
10 13 15 17 22
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
- 937 participants
- Reference population
- US civilian non-institutionalized males 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 blood urea nitrogen measurement (LBXSBU)
- Missing or zero MEC sample weight (WTMEC)
- Age outside 40-49 range
- Notes
- Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). Blood urea nitrogen measured as LBXSBU in mg/dL.