Table 2.
Mean Levels and Percentile Distribution of Serum Alanine Aminotrasferase by Race and Gender in Preadolescents and Adolescents: The Bogalusa Heart Study
| |
|
Selected percentiles |
||||||
|---|---|---|---|---|---|---|---|---|
| Mean ± SD (IU/L) | 5th | 10th | 25th | 50th | 75th | 90th | 95th | |
| Preadolescents (4–11 years)a | ||||||||
| White male | 16.8 ± 5.9 | 10.0 | 11.0 | 13.0 | 15.0 | 19.0 | 24.0 | 27.5 |
| Black male | 15.9 ± 5.5 | 9.0 | 10.0 | 13.0 | 15.0 | 18.0 | 22.0 | 27.0 |
| White female | 17.0 ± 5.7 | 10.0 | 11.0 | 13.0 | 16.0 | 19.0 | 24.0 | 29.0 |
| Black female | 15.3 ± 5.5 | 8.0 | 10.0 | 12.0 | 14.0 | 18.0 | 22.0 | 26.0 |
| Total | 16.4 ± 5.7 | 9.0 | 10.0 | 13.0 | 15.0 | 19.0 | 23.0 | 27.0 |
| Adolescents (12–18 years)b | ||||||||
| White male | 19.2 ± 7.7 | 8.0 | 11.0 | 14.0 | 18.0 | 24.0 | 29.0 | 33.0 |
| Black male | 19.3 ± 8.6 | 9.0 | 11.0 | 13.0 | 17.0 | 23.0 | 31.0 | 35.0 |
| White female | 16.1 ± 7.3 | 6.0 | 9.0 | 12.0 | 15.0 | 19.0 | 25.0 | 29.0 |
| Black female | 14.6 ± 7.3 | 3.0 | 7.0 | 10.0 | 13.0 | 18.0 | 23.0 | 30.0 |
| Total | 17.4 ± 7.9 | 7.0 | 9.0 | 12.0 | 16.0 | 22.0 | 28.0 | 32.0 |
a
Race (white > black) difference: P = < 0.0001.
b
Gender (male > female) difference: P = < 0.0001.
SD, standard deviation.