Table 3.
Prevalence (%) of serum methylmalonic acid (MMA) concentrations in non-Hispanic white, non-Hispanic black and Hispanic/Mexican by age: National Health and Nutrition Examination Survey, 1999–2004 1,2,3.
| Age, Year | ≤100 nmol/L | 100 ≤ 200 nmol/L | 200 ≤ 300 nmol/L | ≥300 nmol/L | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NW | NB | H/M | NW | NB | H/M | NW | NB | H/M | NW | NB | H/M | |
| 19–30 (n = 2948) | 26.8 | 50.0 | 40.2 | 59.6 | 47.0 | 50.8 | 10.8 | 2.3 | 6.0 | 2.9 | 0.8 | 3.0 |
| 31–40 (n = 2008) | 23.9 | 43.5 | 40.0 | 64.1 | 48.7 | 51.0 | 8.9 | 5.4 | 6.0 | 3.2 | 2.4 | 2.9 |
| 41–50 (n = 1929) | 19.2 | 36.8 | 34.7 | 66.2 | 55.2 | 53.3 | 10.8 | 5.6 | 8.5 | 3.8 | 2.5 | 3.5 |
| 51–60 (n = 1516) | 12.1 | 28.3 | 26.6 | 67.0 | 61.2 | 61.0 | 15.4 | 8.7 | 7.3 | 5.5 | 1.8 | 5.1 |
| 61–70 (n = 1684) | 9.5 | 24.6 | 19.9 | 64.8 | 61.2 | 62.2 | 16.7 | 10.5 | 11.5 | 9.0 | 3.7 | 6.5 |
| >70 (n = 2069) | 3.9 | 4.8 | 8.9 | 50.3 | 56.2 | 55.1 | 27.1 | 28.5 | 17.5 | 18.7 | 10.4 | 18.6 |
1 Same as Table 1. n = 12,154. Sub-group analysis was performed on adult population only (age 19 years or older). 2 Abbreviations: NW, non-Hispanic white; NB, non-Hispanic black; H/M, Hispanic/Mexican. 3 Prevalence were age-specific and race-specific.