Table 1. Prevalence of Unexplained ALT Elevation in Adult NHANES 2003–2004 by Demographic Groups.
BMI - body mass index; SE - standard error of the mean. p-values were calculated by χ2 tests.
| Demographic Variable | Population Distribution (%) | Prevalence of Unexplained ALT Elevation (%) | SE | p-value | |
|---|---|---|---|---|---|
| Sex | 0.002 | ||||
| Male | 47.8 | 31.9 | 1.6 | ||
| Female | 52.2 | 42.9 | 1.5 | ||
| Race | <.001 | ||||
| Non-Hispanic White | 72.3 | 37.8 | 0.8 | ||
| Non-Hispanic Black | 10.8 | 28.4 | 1.9 | ||
| Hispanic | 11.7 | 46.7 | 1.7 | ||
| Other Race | 5.1 | 33.3 | 3.4 | ||
| Age (years) | 0.022 | ||||
| < 30 | 21.5 | 30.1 | 1.9 | ||
| 30–40 | 19.5 | 38.4 | 1.9 | ||
| 40–50 | 20.4 | 44.0 | 2.4 | ||
| 50–60 | 16.0 | 43.5 | 1.9 | ||
| 60–70 | 10.5 | 41.4 | 2.5 | ||
| >= 70 | 12.1 | 28.1 | 2.4 | ||
| BMI (kg/m2) | <.001 | ||||
| < 18.5 | 1.7 | 23.0 | 5.7 | ||
| 18.5–24.9 | 31.5 | 25.3 | 1.6 | ||
| 25–29.9 | 34.3 | 38.9 | 1.1 | ||
| >= 30 | 32.5 | 49.0 | 1.5 | ||