Table 1. Alanine aminotransferase (ALT) and aspartate aminotransferase to alanine aminotransferase ratio (AST/ALT) centile values by sex and age in Northern Mexican children aged 2–10 years.
| n | Mean | SD | P5 | P10 | P25 | P33.3 | P50 | P66.7 | P75 | P90 | P95 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Males | ||||||||||||
| ALT (IU/L) | ||||||||||||
| All | 216 | 10.2 | 10.8 | 2.0 | 3.0 | 5.0 | 6.0 | 8.0 | 11.0 | 12.0 | 17.0 | 23.2 |
| 2–4 years-old | 48 | 8.6 | 4.8 | 2.0 | 3.0 | 6.0 | 7.0 | 8.0 | 10.0 | 11.0 | 14.0 | 17.8 |
| 5–7 years-old | 63 | 9.4 | 7.9 | 2.0 | 3.0 | 4.0 | 5.3 | 7.0 | 10.0 | 11.0 | 17.0 | 23.8 |
| 8–10 years-old | 105 | 11.5 | 13.8 | 2.0 | 3.0 | 5.0 | 6.0 | 9.0 | 12.0 | 13.5 | 18.4 | 26.1 |
| AST/ALT | ||||||||||||
| All | 216 | 2.45 | 1.92 | 0.72 | 0.95 | 1.34 | 1.50 | 2.00 | 2.43 | 2.74 | 4.43 | 6.00 |
| 2–4 years-old | 48 | 2.84 | 2.24 | 0.87 | 1.27 | 1.67 | 1.80 | 2.20 | 2.57 | 2.94 | 5.70 | 7.14 |
| 5–7 years-old | 63 | 2.75 | 2.17 | 0.84 | 1.06 | 1.47 | 1.86 | 2.29 | 2.50 | 3.00 | 4.80 | 6.93 |
| 8–10 years-old | 105 | 2.09 | 1.53 | 0.70 | 0.80 | 1.14 | 1.32 | 1.58 | 2.18 | 2.67 | 4.10 | 5.00 |
| Females | ||||||||||||
| ALT (IU/L) | ||||||||||||
| All | 198 | 12.1 | 15.5 | 2.0 | 3.0 | 6.0 | 7.0 | 10.0 | 13.0 | 14.0 | 19.0 | 25.0 |
| 2–4 years-old | 46 | 11.3 | 8.1 | 2.0 | 2.7 | 5.8 | 7.7 | 10.0 | 13.3 | 15.0 | 20.9 | 25.7 |
| 5–7 years-old | 76 | 14.2 | 23.5 | 2.0 | 3.7 | 6.0 | 8.7 | 11.0 | 13.0 | 14.0 | 21.0 | 36.2 |
| 8–10 years-old | 76 | 10.4 | 5.9 | 3.0 | 4.0 | 6.0 | 6.0 | 10.0 | 12.3 | 14.0 | 19.0 | 22.3 |
| AST/ALT | ||||||||||||
| All | 198 | 2.08 | 1.52 | 0.68 | 0.87 | 1.17 | 1.29 | 1.64 | 2.14 | 2.50 | 4.21 | 5.00 |
| 2–4 years-old | 46 | 2.44 | 2.11 | 0.59 | 0.82 | 1.14 | 1.30 | 1.67 | 2.50 | 2.68 | 5.00 | 7.83 |
| 5–7 years-old | 76 | 2.13 | 1.48 | 0.68 | 0.91 | 1.24 | 1.38 | 1.67 | 2.09 | 2.49 | 4.33 | 5.15 |
| 8–10 years-old | 76 | 1.81 | 1.02 | 0.68 | 0.87 | 1.13 | 1.21 | 1.41 | 2.00 | 2.32 | 3.38 | 3.91 |